id stringlengths 16 16 | domain stringclasses 5
values | source stringclasses 25
values | difficulty stringclasses 3
values | messages listlengths 3 3 | ground_truth stringlengths 0 26k | quality_score float64 4.5 10 | teacher_model stringclasses 1
value | completion_tokens int64 34 37.4k | generation_time stringlengths 32 32 |
|---|---|---|---|---|---|---|---|---|---|
c4de2be48364c14f | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Let's denote the number of third grade students who do not wear glasses as x. According to the problem, the number of third grade students who wear glasses is 3/5 of x, which we can write as (3/5)x.
The total number of third grade students is the sum of those who wear glasses and those who do not wear glasses. We can ... | 9 | qwen3.8-max-preview | 429 | 2026-07-21T13:25:57.255240+00:00 |
3ed0c5f6e0df10f8 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Experimental Setup:
1. Limited resources: Gather a ruler, stopwatch, and a simple object like a ball or pendulum.
2. Air resistance: To minimize air resistance, conduct the experiment in a vacuum chamber. If a vacuum chamber is not available, use a streamlined object like a metal ball or a cone-shaped pendulum bob.
... | 7.5 | qwen3.8-max-preview | 7,576 | 2026-07-22T05:08:37.062482+00:00 |
e17e0e717ed6f01e | instruction | Dolly | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | Athens, Greece 1896 | 6 | qwen3.8-max-preview | 219 | 2026-07-21T21:54:11.927971+00:00 |
71585893e8e7e00b | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here's a Ruby script that calculates the square root of a number and rounds it to the nearest integer, without using any built-in methods or libraries:
```ruby
def sqrt_round(number)
# Check if number is negative or zero
return 0 if number <= 0
# Check if number is an integer
return number if number % 1 == 0
... | 6.5 | qwen3.8-max-preview | 2,178 | 2026-07-21T12:43:54.308087+00:00 |
0807050c7e2881a6 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | function absoluteValue(num) {
return ((num ^ (num >> 31)) - (num >> 31));
} | 8.5 | qwen3.8-max-preview | 1,579 | 2026-07-22T08:11:41.341131+00:00 |
836e10f096a3e052 | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 641 | 2026-07-22T10:35:32.492341+00:00 |
46dba9affe11caca | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Table Creation Statement:
CREATE TABLE employees (
name VARCHAR(100),
id INT UNIQUE,
age INT,
salary DECIMAL(8,2),
position VARCHAR(100)
);
SQL Query to Insert Data:
INSERT INTO employees (name, id, age, salary, position)
VALUES ('John Doe', 12345, 30, 5000.50, 'Manager'),
('Jane Smith', 5... | 8.5 | qwen3.8-max-preview | 989 | 2026-07-22T00:17:34.921350+00:00 |
7f1c7d160a588981 | math | MATH/prealgebra | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | There are $26\cdot 26$ possible two-letter sequences of letters, since we have 26 choices for the first and then 26 choices for the second. But only 52 of these possibilities are valid, so our answer is $\frac{52}{26\cdot 26} =\boxed{ \frac{1}{13}}$. | 9 | qwen3.8-max-preview | 425 | 2026-07-21T23:25:32.925266+00:00 |
b13429be1ff35cad | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 63 | 10 | qwen3.8-max-preview | 479 | 2026-07-22T03:43:24.908644+00:00 |
ec9d3faf8c987ed9 | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | D | 9.5 | qwen3.8-max-preview | 347 | 2026-07-21T16:40:29.833320+00:00 |
6bf9053ae111ffcc | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 800 | 10 | qwen3.8-max-preview | 477 | 2026-07-21T17:16:18.838300+00:00 |
5b05f0704b2f447a | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 450 | 2026-07-22T09:55:38.207847+00:00 | |
c02f85556fb52a1d | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | 4 | 7.5 | qwen3.8-max-preview | 92 | 2026-07-21T12:19:23.809181+00:00 |
f5679b042a94bdc0 | reasoning | ARC-Easy | easy | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 448 | 2026-07-22T00:28:40.131834+00:00 |
899e6933a6324cd9 | math | MetaMathQA | medium | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 1001 | 10 | qwen3.8-max-preview | 1,664 | 2026-07-22T05:26:03.150511+00:00 |
a2f1dc66bf2f1cff | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Yoongi started with 28 flowers. He gave 7 to Eunji and 9 to Yuna, which is a total of 7 + 9 = 16 flowers given away.
To find out how many flowers are left for Yoongi, we subtract the number of flowers given away from the original number:
28 - 16 = 12 flowers.
So, Yoongi has 12 flowers left. | 9 | qwen3.8-max-preview | 129 | 2026-07-22T02:32:27.070929+00:00 |
96dcfd0a82c5eb19 | math | NuminaMath-CoT | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 7.5 | qwen3.8-max-preview | 1,610 | 2026-07-21T17:16:30.223257+00:00 | |
49593dbb4885bdb7 | math | MetaMathQA | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 15 | 10 | qwen3.8-max-preview | 419 | 2026-07-21T12:18:49.576738+00:00 |
d470f6ba8970171f | math | MATH/algebra | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Multiply all three equations to find that \begin{align*}
\frac{a}{b}\cdot\frac{b}{c}\cdot\frac{c}{d}&=\frac{3}{5}\cdot\frac{15}{6}\cdot\frac{6}{1} \implies \\
\frac{a}{d}&=\boxed{9}.
\end{align*} | 9 | qwen3.8-max-preview | 539 | 2026-07-22T05:01:12.627539+00:00 |
66423e79cfd7339b | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | To achieve this, you can use CSS `transition` and `transform` properties along with the `:hover` pseudo-class. Here's the code snippet:
```css
div {
border: none;
transition: border-color 0.3s ease;
}
div:hover {
border: 10px solid grey;
}
```
In order to provide cross-browser compatibility, you can use the ve... | 8.5 | qwen3.8-max-preview | 770 | 2026-07-22T02:09:18.965146+00:00 |
9b099f0b53806a56 | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 582 | 2026-07-21T13:59:40.588289+00:00 |
b5036e5e57be99f5 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | import java.util.Scanner;
public class WeightedAverageCalculator {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = getValidN(scanner);
double[] numbers = getValidNumbers(scanner, n);
double[] weights = getValidWeights(scanner, n);
... | 8.5 | qwen3.8-max-preview | 1,739 | 2026-07-22T00:53:08.380509+00:00 |
9bd283bbe3efe3c7 | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 300 | 10 | qwen3.8-max-preview | 580 | 2026-07-22T00:31:38.672673+00:00 |
9eabbbd52acfd6d3 | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 685 | 2026-07-21T12:27:33.249852+00:00 |
2e4b918bfa115daf | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 2250 | 10 | qwen3.8-max-preview | 377 | 2026-07-22T10:24:53.677886+00:00 |
0ad4c9da08b4780f | reasoning | ARC-Easy | easy | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 566 | 2026-07-22T09:43:21.046229+00:00 |
f451919aed82e24d | math | MATH/prealgebra | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | For his first digit, Benjamin has 10 possible choices. For his second digit, he has 9 possible choices, since he cannot repeat any digits. For his third, fourth, and fifth digits, he has 8, 7, and 6 possible choices. Therefore, there are $10 \cdot 9 \cdot 8 \cdot 7 \cdot 6 = \boxed{30,\!240}$ possible codes. | 9 | qwen3.8-max-preview | 401 | 2026-07-21T13:55:43.955082+00:00 |
bb21b2d92592e681 | instruction | Dolly | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | Producer API, Consumer API, Connector API, Streams API, Admin API | 6.5 | qwen3.8-max-preview | 84 | 2026-07-21T18:42:07.040460+00:00 |
fd1592addecadee5 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | To find the distance between Youngjun's house and the school, we need to convert the distance that Youngjun's house is closer to the school from meters to kilometers, and then subtract that from the distance between Seunghun's house and the school.
First, convert 460 meters to kilometers:
460 meters = 460 / 1000 kilom... | 9 | qwen3.8-max-preview | 313 | 2026-07-21T22:59:38.135258+00:00 |
9b5bb5aa3f3dd7df | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | for i in range(0, len(arr), 2):
print(arr[i]) | 8.5 | qwen3.8-max-preview | 336 | 2026-07-21T12:19:28.411139+00:00 |
e8380a441f298713 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | To delete the entries that satisfy the given conditions within a specific time limit of 1 second, you can use the following SQL query:
```sql
BEGIN TRANSACTION;
-- Disable foreign key constraints temporarily
SET FOREIGN_KEY_CHECKS = 0;
-- Delete entries that have NULL in the 'name' field and 0 in the 'age' field
DEL... | 7.5 | qwen3.8-max-preview | 3,896 | 2026-07-21T17:09:01.377899+00:00 |
405da9738954900a | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 491 | 2026-07-21T11:52:06.289418+00:00 |
ac5a3d37673edc17 | reasoning | ARC-Challenge | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 433 | 2026-07-21T13:23:23.352795+00:00 |
ec83ae0c4d02c3c5 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Let's denote A as the natural number we are looking for, B as the quotient when A is divided by 8, and C as the remainder. According to the problem, B = C.
When a number A is divided by 8, the remainder C can be any number from 0 to 7 because the remainder is always less than the divisor. Since B and C are equal, B ca... | 9 | qwen3.8-max-preview | 486 | 2026-07-22T03:47:59.370340+00:00 |
459010ad4c81a629 | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 346 | 2026-07-22T07:51:02.433120+00:00 | |
b588371ebd6efbbb | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | public static int convertToInt(int[] arr) {
int result = 0;
for (int i=0; i<arr.length; i++) {
result += arr[i]*Math.pow(10, arr.length-1-i);
}
return result;
} | 7 | qwen3.8-max-preview | 1,060 | 2026-07-22T00:51:58.779176+00:00 |
8e98bb630349a4ba | math | MetaMathQA | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 1 | 10 | qwen3.8-max-preview | 484 | 2026-07-21T19:26:35.130287+00:00 |
86687b146e4be02b | math | MetaMathQA | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 4 | 10 | qwen3.8-max-preview | 515 | 2026-07-22T04:37:10.218999+00:00 |
4b82832855be4dda | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | 1. num1 = int(input("Enter the first number: "))
2. num2 = int(input("Enter the second number: "))
3. if num2 == 0:
4. print('Divisible!')
5. else:
6. if num1 % num2 == 0:
7. print('Divisible!')
8. else:
9. print('Not Divisible!') | 7 | qwen3.8-max-preview | 4,120 | 2026-07-21T11:53:27.637555+00:00 |
57fb382be4e6c545 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | To create the mapping, we can iterate over the dictionary and apply the necessary transformations to each key and value. We will use a separate function to check if a number is prime. Here's the implementation:
```python
def is_prime(n):
if n <= 1:
return False
for i in range(2, int(n**0.5) + 1):
... | 8 | qwen3.8-max-preview | 2,159 | 2026-07-21T20:10:38.718456+00:00 |
142c7c4c04277ff6 | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 349 | 2026-07-22T07:24:20.101173+00:00 |
577dbc94c64128ef | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 7.5 | qwen3.8-max-preview | 255 | 2026-07-21T23:53:33.606530+00:00 | |
e63a944a3be57edd | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 437 | 2026-07-21T16:43:40.940637+00:00 |
c6bf333702c31638 | math | MATH/precalculus | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Completing the square in $x,$ $y,$ and $z,$ we get
\[(x + 2)^2 + (y - 5)^2 + (z + 1)^2 = 25.\]Hence, the center of the sphere is $\boxed{(-2,5,-1)}.$ | 9 | qwen3.8-max-preview | 569 | 2026-07-22T03:47:16.638663+00:00 |
bdcc72720e034d4e | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 522 | 2026-07-21T20:22:51.900830+00:00 |
63dd8ae2beb6798f | math | MetaMathQA | medium | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | \frac{15}{2} | 10 | qwen3.8-max-preview | 267 | 2026-07-21T15:40:55.448990+00:00 |
972e8b714b1de10b | math | MetaMathQA | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 24 | 10 | qwen3.8-max-preview | 411 | 2026-07-22T08:26:08.101733+00:00 |
efb7753c6b643a94 | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here is an implementation of the JavaScript function that checks if a substring is present in a string without using any built-in JavaScript methods or functions:
```javascript
function isSubstring(substring, string) {
if (substring.length > string.length) {
return false;
}
for (let i = 0; i <= string.len... | 7 | qwen3.8-max-preview | 3,792 | 2026-07-22T08:18:49.645563+00:00 |
04b02760c5556826 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here's the modified function to handle the additional requirements:
```python
from typing import Tuple, List
import re
def fix_and_validate_html(html: str) -> Tuple[str, List[str]]:
fixed_html = html
errors = []
# Fix DOCTYPE declaration if missing
if not fixed_html.startswith("<!DOCTYPE"):
... | 7.5 | qwen3.8-max-preview | 5,208 | 2026-07-21T13:02:41.802393+00:00 |
dab01fd20643e232 | math | NuminaMath-CoT | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 8 | qwen3.8-max-preview | 2,472 | 2026-07-21T07:30:55.745660+00:00 | |
2e16b19b9ef2c807 | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 4 | 10 | qwen3.8-max-preview | 219 | 2026-07-21T16:33:57.421393+00:00 |
b67a500adbb1304b | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Let's call the certain number "x". If we subtract 2 twice from x, we get 5. Mathematically, this can be represented as:
x - 2 - 2 = 5
Now, let's solve for x:
x - 4 = 5
x = 5 + 4
x = 9
So, the certain number is 9. | 9 | qwen3.8-max-preview | 215 | 2026-07-21T16:58:14.179602+00:00 |
8d6b23b7744e734e | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | To solve this problem, we can define a helper function to check if a number is prime. Then, we can generate prime numbers within the given range and check if they are divisible by any previously generated prime numbers. If a generated prime number is not divisible by any previously generated prime numbers, we can retur... | 9 | qwen3.8-max-preview | 1,622 | 2026-07-21T22:54:23.185478+00:00 |
357d58a920c08859 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here is the Java program to solve the problem:
```java
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
public class UniqueWordCounter {
public static void main(String[] args) {
try {
// Prompt the user to ent... | 8.5 | qwen3.8-max-preview | 1,753 | 2026-07-21T14:07:58.956087+00:00 |
370e760b899ea327 | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | int x = 5;
if (x > 4 && x < 10)
{
Console.WriteLine("Hello");
int y = x;
y++;
Console.WriteLine(y);
} | 8.5 | qwen3.8-max-preview | 711 | 2026-07-22T02:49:44.773164+00:00 |
6fb9eeb39d4bdebc | math | NuminaMath-CoT | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 9 | qwen3.8-max-preview | 378 | 2026-07-21T20:42:07.347496+00:00 | |
cb20e90a358b63c0 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | def is_anagram(word1, word2):
word1 = word1.upper()
word2 = word2.upper()
return sorted(word1) == sorted(word2) | 9 | qwen3.8-max-preview | 881 | 2026-07-22T07:24:31.595658+00:00 |
c48be501b4fba14d | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | A | 9.5 | qwen3.8-max-preview | 539 | 2026-07-21T03:52:00.776899+00:00 |
6134ff72a9a9df97 | reasoning | OpenBookQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | A | 9.5 | qwen3.8-max-preview | 507 | 2026-07-21T19:07:42.799441+00:00 |
d631f16869a04ff8 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | First, let's convert the width of the bulletin board to centimeters since the pictures are measured in centimeters.
The bulletin board is 3 meters and 20 centimeters wide. Since 1 meter is equal to 100 centimeters, 3 meters is equal to 300 centimeters. Therefore, the total width of the bulletin board in centimeters i... | 9 | qwen3.8-max-preview | 587 | 2026-07-22T04:50:35.911000+00:00 |
0c928eda3175f937 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | print("Hello World") | 10 | qwen3.8-max-preview | 188 | 2026-07-22T00:59:48.339715+00:00 |
4eb26a5a4c52e69b | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 519 | 2026-07-22T07:12:55.731551+00:00 | |
f6d44a4525e10239 | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 7.5 | qwen3.8-max-preview | 844 | 2026-07-21T13:12:55.011217+00:00 | |
d1d5d761b70cc2bb | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 1,220 | 2026-07-22T10:17:30.250875+00:00 | |
a790339380dd8788 | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 341 | 2026-07-21T14:40:42.291142+00:00 |
e06e8743a937b9c2 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | SELECT *
FROM jobs
WHERE job_title LIKE 'A%'; | 7 | qwen3.8-max-preview | 464 | 2026-07-21T21:26:31.953613+00:00 |
b9ced3abab796c32 | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 344 | 2026-07-21T18:58:59.322583+00:00 | |
fd129ada1cef5195 | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 447 | 2026-07-21T21:07:25.200774+00:00 |
0a963d307b200ff1 | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 508 | 2026-07-22T00:55:37.658215+00:00 |
39fe4850d8e06b9c | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | A Monadic function is a concept from functional programming where a function is wrapped inside a Monadic structure. Monads are a way to encapsulate computations that carry additional context, such as handling errors, tracking state, or dealing with non-determinism. The purpose of Monadic functions is to provide a consi... | 6 | qwen3.8-max-preview | 5,302 | 2026-07-22T02:22:04.248371+00:00 |
42bbe1360dd71490 | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 10 | 7.5 | qwen3.8-max-preview | 1,978 | 2026-07-21T16:38:29.080431+00:00 |
c2b9d29d93462e94 | reasoning | OpenBookQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 541 | 2026-07-21T23:29:57.097200+00:00 |
7030161648531ec5 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | def check_divisibility(number)
if (number % 3 == 0)
puts 'The number is divisible by three.'
else
puts 'The number is not divisible by three.'
end
end
check_divisibility(9) | 7 | qwen3.8-max-preview | 362 | 2026-07-21T17:46:09.126262+00:00 |
0953630d7fbc3f69 | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 7.5 | qwen3.8-max-preview | 383 | 2026-07-22T05:11:27.597677+00:00 | |
677274216f02d153 | reasoning | OpenBookQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 605 | 2026-07-21T15:09:20.303351+00:00 |
1c5d54209810bb65 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | To find out how many slices of 1.12 meters you can get from a 28-meter stick, you divide the total length of the stick by the length of each slice:
Number of slices = Total length of stick / Length of each slice
Number of slices = 28 meters / 1.12 meters
Number of slices = 25
So, you can get 25 slices of 1.12 meter... | 9 | qwen3.8-max-preview | 326 | 2026-07-21T11:32:18.119996+00:00 |
35df1bb8e338805f | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here is an implementation of the `coin_toss()` function that simulates a biased coin toss using recursion:
```python
def coin_toss(p, n):
# Check if p is within the range [0, 1]
if p < 0 or p > 1:
raise ValueError("p must be within the range [0, 1]")
# Check if n is a positive integer
if not i... | 9 | qwen3.8-max-preview | 1,947 | 2026-07-22T03:11:40.716719+00:00 |
a9b2d82fda3c10ce | instruction | tulu-3 | medium | [
{
"role": "system",
"content": "You are a helpful, precise assistant. Follow instructions exactly.\n\nFormat your response as:\n<think>\n[Understand what is being asked. Identify constraints and requirements.\nPlan your response structure.]\n</think>\n\n[Your complete, well-structured response following all... | 6 | qwen3.8-max-preview | 160 | 2026-07-22T02:13:54.479199+00:00 | |
e060884e7f6f3864 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | To find the area of the square, we first need to determine the length of one side of the square. Since the perimeter of a square is the sum of all four sides, and all sides of a square are equal in length, we can find the length of one side by dividing the perimeter by 4.
Perimeter of square = 4 × (length of one side)... | 9 | qwen3.8-max-preview | 224 | 2026-07-21T13:44:13.750072+00:00 |
366c233303f2c3df | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 382 | 2026-07-21T17:45:25.145653+00:00 |
f2cebd3e82e0c53c | math | MetaMathQA | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 111 | 10 | qwen3.8-max-preview | 600 | 2026-07-21T11:51:25.787729+00:00 |
770ca6a942485f60 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here is a possible implementation in Python:
```python
def is_prime(n):
if n <= 1:
return False
if n == 2:
return True
if n % 2 == 0:
return False
i = 3
while i * i <= n:
if n % i == 0:
return False
i += 2
return True
def is_strong_prime(n):
... | 7.5 | qwen3.8-max-preview | 27,767 | 2026-07-21T07:50:56.970997+00:00 |
f4d37b0395c0b17c | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | B | 9.5 | qwen3.8-max-preview | 657 | 2026-07-22T00:35:13.755228+00:00 |
b9b0b7e5f5916234 | math | OrcaMath | easy | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | To find the length of the hypotenuse of a right triangle, you can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). The formula is:
c² = a² + b²
Given that one non-hypot... | 9 | qwen3.8-max-preview | 335 | 2026-07-22T01:00:39.648630+00:00 |
58081c439e03852f | math | MATH/algebra | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | Because $\text{(rate)(time)} = \text{(distance)}$, the distance Josh rode was $(4/5)(2) = 8/5$ of the distance that Mike rode. Let $m$ be the number of miles that Mike had ridden when they met. Then the number of miles between their houses is \[
13 = m + \frac{8}{5}m = \frac{13}{5}m.
\]Thus $m = \boxed{5}$. | 9 | qwen3.8-max-preview | 461 | 2026-07-22T01:35:36.802969+00:00 |
a49d69a92a8033bf | reasoning | SciQ | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | D | 9.5 | qwen3.8-max-preview | 397 | 2026-07-22T04:31:24.787243+00:00 |
5d9baecff41863a1 | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | import java.util.Scanner;
public class MatrixMultiplication {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// Input matrix dimensions
System.out.print("Enter the number of rows in the first matrix: ");
int rows1 = scanner.nextInt();
... | 7 | qwen3.8-max-preview | 5,033 | 2026-07-21T14:44:50.548140+00:00 |
5056b0331c0be263 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | javac HelloWorld.java | 8.5 | qwen3.8-max-preview | 310 | 2026-07-21T10:20:42.741062+00:00 |
c2263ac5a7f8c902 | reasoning | QASC | hard | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | E | 9.5 | qwen3.8-max-preview | 681 | 2026-07-22T06:10:58.374367+00:00 |
8f9c8003eddec890 | code | CodeAlpaca | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | def most_frequent(s):
char_freq = {}
max_freq = 0
most_frequent_char = ""
for c in s:
if c in char_freq:
char_freq[c] += 1
else:
char_freq[c] = 1
if char_freq[c] > max_freq:
max_freq = char_freq[c]
most_frequent_char = c
retu... | 9 | qwen3.8-max-preview | 562 | 2026-07-21T14:12:36.202593+00:00 |
4d07fef6bdfd4d1f | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here is the R program to print out the prime numbers between 0-1000, checking for palindromes, perfect squares, and Fibonacci numbers:
```R
# Function to check if a number is prime
is_prime <- function(n) {
if (n < 2) {
return(FALSE)
}
for (i in 2:sqrt(n)) {
if (n %% i == 0) {
return(FALSE)
}
... | 8.5 | qwen3.8-max-preview | 1,476 | 2026-07-21T11:24:16.836999+00:00 |
86e0bca908d9e6d0 | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | D | 9.5 | qwen3.8-max-preview | 619 | 2026-07-21T23:11:36.632302+00:00 |
069304cda150c08a | code | Evol-Code | medium | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | Here's the code to determine whether a given number is prime or not, optimized to have a time complexity of O(√n) and a space complexity of O(1):
```python
import math
def is_prime(n):
# If the number is less than 2, it's not prime
if n < 2:
return False
# Check if the number is divisible by any ... | 9 | qwen3.8-max-preview | 1,480 | 2026-07-22T04:24:52.994559+00:00 |
4cdc867169546bf6 | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 180 | 10 | qwen3.8-max-preview | 533 | 2026-07-22T06:25:35.265403+00:00 |
7cd3aeebb04124d9 | math | MetaMathQA | medium | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 50 | 10 | qwen3.8-max-preview | 197 | 2026-07-21T16:48:00.729049+00:00 |
fc73bf32fe22ba3f | code | Evol-Code | hard | [
{
"role": "system",
"content": "You are an expert software engineer. Write complete, correct, runnable code.\n\nFormat your response EXACTLY as:\n<think>\n[Analyze the problem, consider edge cases, choose your approach,\nexplain your algorithm and data structure choices.]\n</think>\n\n```python\n[Complete, ... | class Node:
def __init__(self, value):
self.value = value
self.left = None
self.right = None
class Stack:
def __init__(self):
self.root = None
self.max_node = None
def push(self, value):
if self.root is None:
self.root = Node(value)
s... | 7.5 | qwen3.8-max-preview | 5,515 | 2026-07-21T13:42:01.077007+00:00 |
0f0a1d9ffdc1e11c | math | gsm8k | medium | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 40 | 10 | qwen3.8-max-preview | 301 | 2026-07-22T07:07:27.032597+00:00 |
aa4cd363ba42b3e1 | reasoning | CommonsenseQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | A | 9.5 | qwen3.8-max-preview | 457 | 2026-07-21T14:40:32.049062+00:00 |
5695e00dc162132b | math | MetaMathQA | hard | [
{
"role": "system",
"content": "You are an expert mathematician. Solve the given problem with complete rigor.\n\nFormat your response EXACTLY as:\n<think>\n[Your complete step-by-step reasoning. Show all intermediate calculations.\nIf you make an error and catch it, show the correction.\nEnd with a clear st... | 156 | 10 | qwen3.8-max-preview | 164 | 2026-07-21T22:30:39.067860+00:00 |
b46ab553308ae783 | reasoning | OpenBookQA | medium | [
{
"role": "system",
"content": "You are an expert logical reasoner. Think through the problem carefully.\n\nFormat your response EXACTLY as:\n<think>\n[Break down the problem into components.\nConsider multiple hypotheses if applicable.\nEliminate incorrect paths explicitly.\nBuild toward the conclusion ste... | C | 9.5 | qwen3.8-max-preview | 473 | 2026-07-22T09:15:52.877676+00:00 |
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