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474eee537e3e0812
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 extractKthHighestDigit(number, K) { // convert number to string var numberStr = Math.abs(number).toString(); // sort the string in descending order var sortedStr = numberStr.split('').sort(function(a, b) { return b - a; }); // return the Kth highest digit return parseInt(sortedStr[K - 1]); ...
8.5
qwen3.8-max-preview
1,119
2026-07-22T09:51:07.281414+00:00
a7122d310aec6aa9
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, ...
var result = objects.Where(o => o.Name.StartsWith("J") && o.Date.Year == 20 && o.Name.Length >= 5 && o.Date.DayOfWeek != DayOfWeek.Saturday && o.Date.DayOfWeek != DayOfWeek.Sunday) .Select(...
8.5
qwen3.8-max-preview
1,210
2026-07-21T20:50:11.035462+00:00
aaa0677e165b7bfa
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
507
2026-07-21T22:59:36.710145+00:00
ad5c9b246d8c7557
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...
The X-Files, Californication, Twin Peaks, The Red Shoe Diaries, Aquarius
6
qwen3.8-max-preview
349
2026-07-22T06:54:28.968366+00:00
7152b813d6e570cd
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...
A
9.5
qwen3.8-max-preview
377
2026-07-22T03:54:18.057441+00:00
7a56ef574e4ef0dc
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 an implementation of the Bubble Sort Algorithm in descending order: ```python def bubble_sort_descending(arr): n = len(arr) swaps = 0 for i in range(n - 1): swapped = False for j in range(n - i - 1): if arr[j] < arr[j + 1]: arr[j], arr[j + 1] = arr[j + 1...
9
qwen3.8-max-preview
1,514
2026-07-22T05:38:38.677346+00:00
4510ae61d65fb049
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
371
2026-07-22T05:57:33.484051+00:00
4b5c9dd7ea5800ab
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
1,748
2026-07-21T15:59:32.854407+00:00
04cae66afe55e882
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
1,354
2026-07-22T05:21:39.034188+00:00
cbde3a4712a2c993
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...
48
10
qwen3.8-max-preview
298
2026-07-21T21:07:10.624004+00:00
e6f3c35df90def08
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 function that collects elements from two given arrays, removes any duplicate elements, sorts the new array in ascending order, and returns the result in descending order: ```python def combine_arrays(arr1, arr2): # Combine the two arrays combined_array = arr1 + arr2 # Remove duplicate elements...
9
qwen3.8-max-preview
889
2026-07-21T14:13:02.250156+00:00
85b00c294c67816b
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
596
2026-07-21T21:28:36.900820+00:00
f44daf3a811a7946
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
507
2026-07-21T21:32:06.110377+00:00
74082e40c80bfe65
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...
D
9.5
qwen3.8-max-preview
673
2026-07-21T12:01:37.402023+00:00
c716d554759ddf49
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...
1
10
qwen3.8-max-preview
303
2026-07-22T05:36:51.057239+00:00
4bb53ca947298ad6
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 code that meets the given requirements: ```python def is_palindrome(num): num_str = str(num) if num_str == num_str[::-1]: return True return False def find_largest_palindrome(nums): max_length = 0 max_index = -1 for i in range(len(nums)): if is_palindrome(nums[i]...
7.5
qwen3.8-max-preview
5,524
2026-07-21T15:24:37.792946+00:00
477296bebf0df101
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
523
2026-07-22T00:01:41.086755+00:00
eb9d683cb2b6ffbc
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...
A
9.5
qwen3.8-max-preview
395
2026-07-21T19:36:33.042643+00:00
ec893b034b144c1c
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
4,048
2026-07-22T03:05:56.570744+00:00
7936ea5cf1685e61
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
370
2026-07-22T00:45:25.810915+00:00
4eabc1300e5cf9a6
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...
3
10
qwen3.8-max-preview
414
2026-07-21T12:29:04.905276+00:00
a4038ae8b99d4c4f
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
549
2026-07-21T19:13:40.348087+00:00
609b7b21727b5973
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...
F
9.5
qwen3.8-max-preview
605
2026-07-21T17:21:52.505665+00:00
9a0644dba3a11a5d
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, ...
SELECT College FROM Universities WHERE Enrollment > 10000 AND Location IN (SELECT City FROM Cities WHERE Population > 1000000) AND (SELECT AVG(GPA) FROM Students WHERE University = Universities.University) > 3.5 AND (SELECT Enrollment / Faculty FROM Universities WHERE University = Universities.University) <= 20;
8.5
qwen3.8-max-preview
633
2026-07-21T18:22:34.517834+00:00
1f3e24106a6daa7e
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...
\frac{2}{15}
10
qwen3.8-max-preview
230
2026-07-21T22:51:02.197899+00:00
0190afd77d6f1317
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 a possible implementation in Python: ```python def calculate_sum_of_digits(x, y, z): # Check for empty values if x == "" or y == "" or z == "": return "Invalid input: empty value" # Check for non-numeric values if not isinstance(x, (int, float)) or not isinstance(y, (int, float)) o...
8
qwen3.8-max-preview
2,703
2026-07-21T20:09:14.014780+00:00
39d3b441b368e8e4
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...
5
qwen3.8-max-preview
89
2026-07-22T10:15:46.512297+00:00
7adb75f7e8191cce
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 code to find the second minimum odd number greater than 20 from the given array and return its index: ```java public class Main { public static void main(String[] args) { int arr[] = {10, 50, 18, 63, 27}; int min = Integer.MAX_VALUE; int secondMin = Integer.MAX_VALUE; ...
8.5
qwen3.8-max-preview
1,133
2026-07-21T16:33:53.759917+00:00
a753cc78bbfd6138
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...
50
10
qwen3.8-max-preview
187
2026-07-21T18:32:53.499220+00:00
9a032614e6a27f44
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
470
2026-07-21T21:23:58.357184+00:00
0489022aaeb4bf24
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...
A
9.5
qwen3.8-max-preview
292
2026-07-22T04:27:28.018029+00:00
76f23756d9b41545
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
580
2026-07-21T15:40:53.145896+00:00
019ef89fcb1b4d75
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
481
2026-07-22T02:48:38.216340+00:00
0b53c247d4cfa53e
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
208
2026-07-21T20:34:52.112078+00:00
e2655b576a067bc1
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, ...
<!DOCTYPE html> <html> <head> <style> .red { color: red; } .blue { color: blue; } </style> </head> <body> <h2>Divisible by 3 and 4</h2> <ul> <li class="red">6</li> <li class="blue">8</li> <li>12</li> <li>24</li> </ul> </body> </html>
9
qwen3.8-max-preview
1,323
2026-07-21T22:52:39.051781+00:00
3c66e21f1639d1e1
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
548
2026-07-22T08:16:39.498930+00:00
ab771924111b065a
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{207}{64}
10
qwen3.8-max-preview
631
2026-07-22T09:12:41.008874+00:00
8d105912fe53c637
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...
20
10
qwen3.8-max-preview
191
2026-07-22T05:23:32.460272+00:00
875f4f29ee59b1b3
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 void printSquares(){ for(int i=1; i<=10; i++){ System.out.println(i*i); } }
8.5
qwen3.8-max-preview
500
2026-07-21T23:39:11.411369+00:00
f6f675294fd9d0d9
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 a C program that sums the digits of a positive integer and calculates the average of the digits, the count of even digits that are divisible by 3, and the count of prime digits that are odd in the integer: ```c #include <stdio.h> int isPrime(int n) { if (n <= 1) { return 0; } for (int i = ...
8.5
qwen3.8-max-preview
990
2026-07-21T23:29:40.504768+00:00
b39f7ba6ec380989
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...
The third Summer Games to be held in Australia will be hosted in Brisbane, Queensland.
7.5
qwen3.8-max-preview
197
2026-07-21T18:03:26.744354+00:00
e1cc1573a30e6151
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.Arrays; import java.util.HashSet; import java.util.Set; public class SortArray { public static void main(String[] args) { String[] arr = {"apple", "cat", "Hello", "Hello", "Cat"}; // Removing duplicates Set<String> uniqueSet = new HashSet<>(Arrays.asList(arr)); St...
7
qwen3.8-max-preview
847
2026-07-22T05:21:26.159303+00:00
17a2be06590ba0a1
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 index, letter in enumerate(text): if letter in 'aeiou': print(f'The letter {letter} is in position {index}.')
8.5
qwen3.8-max-preview
706
2026-07-21T03:47:55.930138+00:00
5a71a27cacd45c9e
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...
2
10
qwen3.8-max-preview
246
2026-07-21T23:25:53.053616+00:00
dd43028b11ddf2e9
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, ...
function split_string_to_words(string) { return string.split(' '); }
7
qwen3.8-max-preview
486
2026-07-22T05:26:40.188323+00:00
4c3cb1abe3c0dbcd
code
MBPP
easy
[ { "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 sum_div(number): divisors = [1] for i in range(2, number): if (number % i)==0: divisors.append(i) return sum(divisors)
7.5
qwen3.8-max-preview
763
2026-07-21T04:53:13.992254+00:00
767f0e584f5d511f
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...
D
9.5
qwen3.8-max-preview
869
2026-07-21T23:02:18.798712+00:00
c697acdcd96f76fe
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
528
2026-07-21T23:07:07.399805+00:00
feb7a2f66d007aa5
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
406
2026-07-21T19:21:11.047459+00:00
046d16f0ff0d0e77
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 t1.col1, t1.col2, t2.col1, t2.col2 FROM table1 t1 INNER JOIN table2 t2 ON t1.col1 = t2.col1
6
qwen3.8-max-preview
2,324
2026-07-21T20:23:47.025267+00:00
a57f5968027340b3
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, ...
Modified function: ```python def foo(a, b): return a * a - b * b ``` Explanation: The original function had a time complexity of O(1) because the addition and subtraction operations `(a + b)` and `(a - b)` have constant time complexity. However, it contained redundant parentheses that can be removed to make the c...
9
qwen3.8-max-preview
647
2026-07-21T13:40:08.179308+00:00
b94b95cb83fa30f9
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...
E
9.5
qwen3.8-max-preview
440
2026-07-21T18:45:04.485898+00:00
728af383ec4d273b
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, ...
The parameter of a Python function is the variable name listed after the function name in the function definition.
7.5
qwen3.8-max-preview
408
2026-07-21T21:41:25.091214+00:00
f217a6c32c46c2b1
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
713
2026-07-21T17:15:56.122002+00:00
cf03e29fd10f9488
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 a possible implementation of the requested function: ```cpp #include <iostream> bool isPrime(int num) { if (num <= 1) { return false; } for (int i = 2; i * i <= num; i++) { if (num % i == 0) { return false; } } return true; } std::string replacePrimeNumb...
7.5
qwen3.8-max-preview
2,244
2026-07-21T16:57:30.856279+00:00
43143318344a6e00
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
530
2026-07-21T17:58:11.678860+00:00
cbf0293f43fd1497
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
477
2026-07-22T08:08:01.511719+00:00
a84b7cbe9a268365
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
1,094
2026-07-22T01:17:33.187384+00:00
e74cf8cfd951f4b3
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, ...
Parts of Speech: - John: Proper Noun - said: Verb - : : Punctuation - "Let's: Noun/Verb - go: Verb - to: Preposition - the: Determiner - zoo: Noun - and: Conjunction - see: Verb - the: Determiner - elephants: Noun - .: Punctuation Functions: - John: Subject - said: Verb - : : Punctuation - "Let's: Object - go: Verb - ...
7.5
qwen3.8-max-preview
4,504
2026-07-21T21:42:59.501864+00:00
064f520697e75534
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 value of A, we can use the following relationship for division: A = (quotient × divisor) + remainder Given that the quotient is 6 and the remainder is 4 when A is divided by 5, we can substitute these values into the equation: A = (6 × 5) + 4 A = 30 + 4 A = 34 Therefore, the value of A is 34.
9
qwen3.8-max-preview
190
2026-07-22T04:19:13.714527+00:00
388990e2e75de7f1
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...
1600
10
qwen3.8-max-preview
191
2026-07-22T01:31:07.949994+00:00
bc79160b787f621a
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...
(-\frac{3}{2},\frac{9}{4})
9
qwen3.8-max-preview
904
2026-07-22T08:02:31.676205+00:00
35da1e93b9e3fafa
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, ...
Lazy loading is a design pattern used in object-oriented programming to defer the creation or loading of an object until it is actually needed. This approach helps in improving performance and efficiency by avoiding unnecessary resource allocation upfront. The concept is commonly used when dealing with objects that are...
7.5
qwen3.8-max-preview
3,543
2026-07-21T22:53:03.987587+00:00
2168639a7eaed64d
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
451
2026-07-21T21:33:05.643206+00:00
2ec2f64396e60c41
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 void printFibonacci(int count) { int n1 = 0, n2 = 1, n3; System.out.print(n1 + " " + n2); // printing fibonacci sequence for (int i = 2; i < count; ++i) { n3 = n1 + n2; System.out.print(" " + n3); n1 = n2; n2 = n3; } }
8.5
qwen3.8-max-preview
513
2026-07-22T07:49:21.808049+00:00
b649d10328c4daa4
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
415
2026-07-21T22:50:53.638139+00:00
59dab8e3673045e2
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
472
2026-07-22T09:06:35.619897+00:00
a1b7d31365759279
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 a rectangle, you multiply the length by the width. Given that the width is 0.9 times the length, we can calculate the width as follows: Width = 0.9 × Length Width = 0.9 × 15 cm Width = 13.5 cm Now that we have both the length and the width, we can calculate the area: Area = Length × Width Area =...
9
qwen3.8-max-preview
209
2026-07-22T10:23:49.641710+00:00
610e1c4fc0a5b18a
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 string def compare_strings(str1, str2): # Remove leading and trailing white spaces str1 = str1.strip() str2 = str2.strip() # Remove punctuation marks from the strings str1 = str1.translate(str.maketrans("", "", string.punctuation)) str2 = str2.translate(str.maketrans("", "", string....
9
qwen3.8-max-preview
1,267
2026-07-22T03:24:26.847626+00:00
bf3dfb23d4d1fa51
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_common(text): text_list = text.lower().split() results = {} for word in text_list: if word not in results: results[word] = 1 else: results[word] += 1 sorted_words = sorted(results.items(), key=lambda kv: kv[1], reverse=True) for word, count in sorted...
9
qwen3.8-max-preview
702
2026-07-22T09:59:12.796079+00:00
ae2e151ee57f21c4
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...
If the ball falls at a speed of 4 meters per second for 20 seconds, we can calculate the distance it falls during that time by multiplying the speed by the time: Distance fallen = Speed × Time Distance fallen = 4 m/s × 20 s Distance fallen = 80 m Since the ball started at a height of 120 meters, we need to subtract t...
9
qwen3.8-max-preview
244
2026-07-21T17:55:18.378199+00:00
a51a22af9c452c00
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
532
2026-07-21T11:51:35.340181+00:00
9177f0e9609ae52d
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...
Jimin bought the most apples.
10
qwen3.8-max-preview
231
2026-07-22T05:17:01.144416+00:00
d725c84ba71dbce6
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
280
2026-07-22T05:06:09.098215+00:00
e738b6e2e10f5d1d
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 set_similarity(a, b): return len(set(a).intersection(set(b)))/max(len(a),len(b))
9
qwen3.8-max-preview
840
2026-07-21T20:18:52.295712+00:00
6e133fed257a67ca
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 construct a MongoDB query that sorts documents based on the price, ignoring null or missing values, implements pagination, and filters out documents with a price greater than 1000, you can use the following query: ```javascript db.collection.find( { price: { $exists: true, $ne: null, $lte: 1000 } } // Filter cond...
8
qwen3.8-max-preview
2,017
2026-07-21T21:09:43.027139+00:00
12b601350f817e41
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 determine who drank the most milk, we need to compare the amounts each person drank in the same units. Yoojeong drank 7/10 liters, Eunji drank 0.5 liters, and Yuna drank 6/10 liters. First, let's convert 7/10 and 6/10 to decimal form to make it easier to compare with Eunji's 0.5 liters: - Yoojeong: 7/10 = 0.7 lite...
9
qwen3.8-max-preview
266
2026-07-21T13:48:17.016524+00:00
d3eb9d6d862b0082
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...
12
10
qwen3.8-max-preview
1,889
2026-07-22T03:35:28.584662+00:00
18ae05603a8fb506
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 solve this problem, we can iterate through the array and keep track of the smallest element divisible by 3 that we have encountered so far. For each odd-indexed element that is divisible by 3, we calculate the difference with the smallest element and update the maximum difference if necessary. Here is the step-by-s...
9
qwen3.8-max-preview
1,584
2026-07-21T23:27:04.265157+00:00
23b57b5af167e72d
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
572
2026-07-22T00:46:28.168674+00:00
4dc1e093c934b0de
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 handle the potential runtime exception in the erroneous code, you can use a try-catch block as shown below: ```java public class TestClass { public static void main (String[] args) { int x = 10; int y = 20; int z = x + y; System.out.println("The sum is: " + z); // Erroneous c...
9
qwen3.8-max-preview
1,961
2026-07-22T06:03:51.714905+00:00
39e9f6a73cd96a36
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
648
2026-07-22T04:26:40.148094+00:00
3900b0b1b7820018
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...
198
10
qwen3.8-max-preview
164
2026-07-21T20:50:33.823347+00:00
dae129aaac0b64d4
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
628
2026-07-21T15:10:55.136519+00:00
99398d93b0c80134
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...
Since $y$ and $\sqrt{x}$ are inversely proportional, this means that $y\sqrt{x}=k$ for some constant $k$. Substituting the given values, when $x=24$ and $y=15$, we find that $15\sqrt{24}=30\sqrt{6}=k$. Therefore, when $y=3$, we can solve for $x$: \begin{align*} 3\cdot\sqrt{x}&=30\sqrt{6}\\ \Rightarrow\qquad (\sqrt{x}...
9
qwen3.8-max-preview
424
2026-07-21T17:22:10.229456+00:00
bad48095a0d958b6
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, ...
One approach to solve this problem is to use the concept of recursion. We can define a recursive function that takes in the list, the target value, and the current combination as parameters. Here is the Python code to solve this problem: ```python def find_combinations(nums, target, combination): # Base case: If ...
9
qwen3.8-max-preview
1,284
2026-07-21T23:08:20.406662+00:00
9ed4dbc4e33f2eb7
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
239
2026-07-21T14:38:02.496377+00:00
6840970b50dec54b
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...
31
10
qwen3.8-max-preview
267
2026-07-22T04:36:47.095476+00:00
6a5dd552cd3856ce
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, ...
SELECT * FROM table_name WHERE status = 'active' AND age > 25 AND (gender = 'male' OR gender = 'female') ORDER BY id ASC, name DESC;
9
qwen3.8-max-preview
1,744
2026-07-21T05:02:55.472069+00:00
7f64f36aa94e05d1
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 one possible solution: 1. Initialize a variable `max_num` to None. This variable will store the maximum number in the list. 2. Iterate through each number in the list_nums list using a for loop. 3. Inside the loop, check if the current number is negative or divisible by 3. If it is, skip to the next iteration...
9
qwen3.8-max-preview
1,328
2026-07-22T04:32:01.523031+00:00
d828f2ad2edaec6b
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...
woods, irons, hybrids, wedges, driver, putters
6
qwen3.8-max-preview
405
2026-07-21T17:35:25.562037+00:00
64ab1e337c868359
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
534
2026-07-21T19:51:03.029142+00:00
43f6fff468fdf6a4
math
MATH/geometry
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...
[asy] pair A,B,C,D; A = (0,0); B = (0,7); C = (24,0); D = C/2; draw(D--B--C--A--B); draw(rightanglemark(D,A,B,40)); label("$A$",A,SW); label("$B$",B,N); label("$D$",D,S); label("$C$",C,SE); [/asy] Since $\sin (180^\circ - x) =\sin x$ and $\cos (180^\circ - x) = -\cos x$ for any angle, we have $$\tan(180^\circ - x) = \...
7.5
qwen3.8-max-preview
1,735
2026-07-21T19:17:27.932870+00:00
3bd47591ac6ed598
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
699
2026-07-21T18:59:23.938260+00:00
7d6bdc6970369120
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 solve this problem, we can iterate through the input string character by character. For each character, we check if it is a vowel. If it is not a vowel, we append it to a result string in reverse order. If it is a vowel, we skip it. Finally, we replace all the spaces in the result string with the specified character...
8
qwen3.8-max-preview
2,383
2026-07-22T04:36:23.405967+00:00
6e74b6ae5d324a2f
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, ...
One possible approach to solve this problem is to use a modified version of the binary search algorithm. First, we will sort the given array in non-decreasing order. This can be done in O(n log n) time complexity using a sorting algorithm such as merge sort or quicksort. Once the array is sorted, we can iterate thro...
8
qwen3.8-max-preview
2,476
2026-07-21T18:34:15.933907+00:00
a9fb4cf56d80c83c
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
904
2026-07-22T08:47:11.981295+00:00
a21c5550a648b5cc
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...
D
9.5
qwen3.8-max-preview
681
2026-07-21T13:31:07.437983+00:00
bc34e17e1e29a78d
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, ...
# Given set my_set = {1, 2, 3, 4, 5} # Step 1: Initialize an empty set called copy_set copy_set = set() # Step 2: Iterate through each element in the original set for element in my_set: # Step 3: Add each element to the copy_set copy_set.add(element) # Step 4: Display the contents of both the original set an...
7.5
qwen3.8-max-preview
2,452
2026-07-21T18:43:00.490087+00:00
ca1a3c9e7bf60c4b
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...
A
9.5
qwen3.8-max-preview
605
2026-07-22T06:23:33.082364+00:00