id stringlengths 32 32 ⌀ | instruction_seed stringlengths 247 53.1k | output stringlengths 4.8k 71.6k ⌀ | source stringclasses 9
values | license stringclasses 4
values | dataset stringclasses 4
values | split stringclasses 3
values | difficulty int64 6 10 | solution stringlengths 36 12.5k ⌀ | index stringclasses 65
values | _source stringclasses 2
values | difficulty_reasoning stringlengths 256 886 | __original_row_idx int64 5 3.95k | ms_id int64 3 3.94k | reasoning sequencelengths 16 16 | deepseek_solution sequencelengths 16 16 | final_reasoning_trace sequencelengths 16 16 | correct_majority_indices sequencelengths 2 16 | _judge_reasoning stringlengths 0 1.7k | _majority_responses sequencelengths 2 16 | verified_final_reasoning_trace stringlengths 2.26k 113k | conversations listlengths 2 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0dc96057a2ed0cfff6d6ac60a320b372 | "Makoto has a big blackboard with a positive integer n written on it. He will perform the following (...TRUNCATED) | "<think>\nOkay, let's tackle this problem. Hmm, the problem says that we start with a number n and p(...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 8 | "import math\nimport random\n\nMOD = 10**9 + 7\n\ndef is_prime(n):\n if n < 2:\n return Fa(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "This problem requires a deep understanding of probability theory and number theory, as well as the (...TRUNCATED) | 3,276 | 3,181 | ["Okay, let's try to solve this problem. Hmm. The problem says that we start with a number n and per(...TRUNCATED) | ["To solve this problem, we need to determine the expected value of the number on the blackboard aft(...TRUNCATED) | ["<think>\nOkay, let's try to solve this problem. Hmm. The problem says that we start with a number (...TRUNCATED) | [
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"11",
"10",
"12",
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] | "The provided code samples all approach the problem of calculating the expected value after k steps (...TRUNCATED) | ["<think>\nOkay, I need to solve this problem where we have to compute the expected value after k st(...TRUNCATED) | "<think>\nOkay, let's try to solve this problem. Hmm. So, the problem is about finding the expected (...TRUNCATED) | [{"from":"human","value":"Makoto has a big blackboard with a positive integer n written on it. He wi(...TRUNCATED) |
2214ce88aa810bd140c71404a052b0ad | "You are developing software to stream music to users over the Interwebs. In order to reduce network(...TRUNCATED) | "<think>\nOkay, let's tackle this programming problem. So the goal is to find the maximum possible m(...TRUNCATED) | kattis | mit | apps | test | 8 | "import bisect\n\ndef main():\n import sys\n input = sys.stdin.read\n data = input().split((...TRUNCATED) | 3684 | nvidia/OpenCodeReasoning | "The problem involves optimizing data transfer in a peer-to-peer streaming scenario, where multiple (...TRUNCATED) | 1,469 | 1,226 | ["Okay, let's try to figure out this problem. So, the problem is about streaming music in a peer-to-(...TRUNCATED) | ["To solve this problem, we need to determine the maximum possible minimum buffer size for each user(...TRUNCATED) | ["<think>\nOkay, let's try to figure out this problem. So, the problem is about streaming music in a(...TRUNCATED) | [
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"1",
"4",
"5",
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"2",
"12",
"13"
] | "Solutions 0, 1, 4, 5, 3, 2, 12, and 13 all use similar methods to calculate the maximum possible mi(...TRUNCATED) | ["<think>\nOkay, let's try to figure out this problem. So, the problem is about streaming music in a(...TRUNCATED) | "<think>\nOkay, let's try to tackle this problem. Hmm, the problem statement is a bit complex, but I(...TRUNCATED) | [{"from":"human","value":"You are developing software to stream music to users over the Interwebs. I(...TRUNCATED) |
null | "PROBLEM\nFor a list of numbers, list: Find the lowest possible integer, x, which is optimally close(...TRUNCATED) | null | null | null | null | null | 8 | null | null | stackexchange_codegolf | "The problem requires understanding of even-harmonics, absolute cumulative remainders, and optimizat(...TRUNCATED) | 1,059 | 2,555 | ["Okay, let's tackle this problem. Hmm, the goal is to find the lowest possible integer x between 20(...TRUNCATED) | ["To solve this problem, we need to find the lowest possible integer x within the range [20, 100] th(...TRUNCATED) | ["<think>\nOkay, let's tackle this problem. Hmm, the goal is to find the lowest possible integer x b(...TRUNCATED) | [
"0",
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"5",
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"7",
"8",
"9",
"10",
"11",
"12",
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"14",
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] | "All solutions presented closely follow the same structure for calculating the optimal value of x. T(...TRUNCATED) | ["<think>\nOkay, let's tackle this problem. Hmm, the goal is to find the lowest possible integer x b(...TRUNCATED) | "<think>\nOkay, let's try to figure out how to solve this problem. So, the task is to find the integ(...TRUNCATED) | [{"from":"human","value":"PROBLEM\nFor a list of numbers, list: Find the lowest possible integer, x,(...TRUNCATED) |
c38d61c9c7c50cddfa67704593f82888 | "You're trying to set the record on your favorite video game. The game consists of N levels, which m(...TRUNCATED) | "<think>\nOkay, I need to solve this programming problem. Let's read the problem carefully.\n\nSo, t(...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 8 | "import sys\n\ndef main():\n sys.setrecursionlimit(1 << 25)\n n, R = map(int, sys.stdin.readli(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "This problem involves understanding probability, expected values, and optimal decision-making given(...TRUNCATED) | 3,721 | 2,063 | ["Okay, let's tackle this problem. Hmm, so the problem is about calculating the expected minimum tim(...TRUNCATED) | ["To solve this problem, we need to determine the minimal expected time to complete all levels of a (...TRUNCATED) | ["<think>\nOkay, let's tackle this problem. Hmm, so the problem is about calculating the expected mi(...TRUNCATED) | [
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"7",
"8",
"9",
"10",
"11",
"12",
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] | "All the code samples use dynamic programming or similar iterative approaches to minimize the expect(...TRUNCATED) | ["<think>\nOkay, let's tackle this problem. Hmm, so the problem is about calculating the expected mi(...TRUNCATED) | "<think>\nOkay, let's see. The problem is about calculating the expected time to complete all N leve(...TRUNCATED) | [{"from":"human","value":"You're trying to set the record on your favorite video game. The game cons(...TRUNCATED) |
88e37f88f9725822c13c37cf49cc1270 | "The country of Reberland is the archenemy of Berland. Recently the authorities of Berland arrested (...TRUNCATED) | "<think>\nOkay, let's see. So the problem is about processing multiple queries to find which leaflet(...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 8 | "class State:\n def __init__(self):\n self.next = dict() # char -> state index\n s(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "The problem requires a combination of string searching, handling multiple queries efficiently, and (...TRUNCATED) | 481 | 944 | ["Okay, so I need to solve this programming problem. Let's read the problem statement carefully.\n\n(...TRUNCATED) | ["To solve this problem, we need to determine which leaflet, within a specified range, contains the (...TRUNCATED) | ["<think>\nOkay, so I need to solve this programming problem. Let's read the problem statement caref(...TRUNCATED) | [
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"11",
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] | "The solutions provided all utilize a suffix automaton (SAM) which effectively handles substring que(...TRUNCATED) | ["<think>\nOkay, so I need to solve this programming problem. Let's read the problem statement caref(...TRUNCATED) | "<think>\nOkay, so I have this programming problem to solve. Let me read through the question carefu(...TRUNCATED) | [{"from":"human","value":"The country of Reberland is the archenemy of Berland. Recently the authori(...TRUNCATED) |
afece4bdc61d1a50145c71b00f062993 | "You may know that Euclid was a mathematician. Well, as it turns out, Morpheus knew it too. So when (...TRUNCATED) | "<think>\nOkay, let's tackle this problem. Hmm, the problem is about finding the size of the set T, (...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 9 | "MOD = 10**9 + 7\n\ndef main():\n import sys\n input = sys.stdin.read\n data = input().spli(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "This problem involves advanced concepts such as vector space theory over finite fields (specificall(...TRUNCATED) | 2,703 | 3,929 | ["Okay, let's try to solve this problem. Hmm, the problem is about finding the size of the set T, wh(...TRUNCATED) | ["To solve this problem, we need to determine the number of distinct vectors that can be generated b(...TRUNCATED) | ["<think>\nOkay, let's try to solve this problem. Hmm, the problem is about finding the size of the (...TRUNCATED) | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7"
] | "The solutions share a common strategy of using union-find or similar approaches to determine the co(...TRUNCATED) | ["<think>\nOkay, let's try to solve this problem. Hmm, the problem is about finding the size of the (...TRUNCATED) | "<think>\nOkay, I need to solve this programming problem. Let's read the problem carefully.\n\nSo, t(...TRUNCATED) | [{"from":"human","value":"You may know that Euclid was a mathematician. Well, as it turns out, Morph(...TRUNCATED) |
null | "In this programming-puzzle, your goal is to write the following function in JavaScript, using (esse(...TRUNCATED) | null | null | null | null | null | 8 | null | null | stackexchange_codegolf | "This problem requires deep knowledge of JavaScript's functional programming features, particularly (...TRUNCATED) | 790 | 1,700 | ["Okay, so I need to create a JavaScript function that behaves like (f) => void(f()), but using poin(...TRUNCATED) | ["The problem requires creating a function that takes another function `f`, calls it, and returns `u(...TRUNCATED) | ["<think>\nOkay, so I need to create a JavaScript function that behaves like (f) => void(f()), but u(...TRUNCATED) | [
"0",
"3",
"1",
"2",
"5"
] | "Solutions 0, 3, 1, and 2 are functionally equivalent since they use `Function.prototype.call` to ex(...TRUNCATED) | ["<think>\nOkay, so I need to create a JavaScript function that behaves like (f) => void(f()), but u(...TRUNCATED) | "<think>\nOkay, so I need to create a JavaScript function that behaves like (f) => void(f()), but us(...TRUNCATED) | [{"from":"human","value":"In this programming-puzzle, your goal is to write the following function i(...TRUNCATED) |
7fc7eab9a2d990783bc923f5c7b6b1b4 | "Dima and Anya love playing different games. Now Dima has imagined a new game that he wants to play (...TRUNCATED) | "<think>\nOkay, I need to solve this problem where I have to count the number of ways Dima can write(...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 8 | "MOD = 10**9 + 7\n\ndef main():\n import sys\n n, p = map(int, sys.stdin.readline().split())\n(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "This problem involves combinatorial game theory and requires understanding complex recursive relati(...TRUNCATED) | 2,920 | 1,327 | ["Okay, let's see. We need to find the number of ways Dima can write n pairs of integers (li, ri) su(...TRUNCATED) | ["To solve this problem, we need to determine the number of ways Dima can write pairs of integers su(...TRUNCATED) | ["<think>\nOkay, let's see. We need to find the number of ways Dima can write n pairs of integers (l(...TRUNCATED) | [
"0",
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"11",
"12",
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"14",
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] | "The solutions are functionally equivalent in terms of analyzing Grundy numbers and counting valid s(...TRUNCATED) | ["<think>\nOkay, let's see. We need to find the number of ways Dima can write n pairs of integers (l(...TRUNCATED) | "<think>\nOkay, let's try to solve this problem. So, the problem is about Dima and Anya playing a ga(...TRUNCATED) | [{"from":"human","value":"Dima and Anya love playing different games. Now Dima has imagined a new ga(...TRUNCATED) |
98e460b03a2c0bd4f7f7af44eaf03b74 | "You come home and fell some unpleasant smell. Where is it coming from?\n\nYou are given an array a.(...TRUNCATED) | "<think>\nOkay, so I need to solve this programming problem. Let's read the problem carefully.\n\nTh(...TRUNCATED) | codeforces | cc-by-4.0 | code_contests | train | 8 | "import sys\nimport math\nfrom collections import defaultdict\n\ndef main():\n input = sys.stdin.(...TRUNCATED) | null | nvidia/OpenCodeReasoning | "This problem involves both point updates and range queries in an array, requiring the calculation o(...TRUNCATED) | 2,449 | 2,763 | ["Okay, let's see. The problem is to handle two types of queries on an array. The first type asks fo(...TRUNCATED) | ["To solve this problem, we need to handle two types of queries on an array efficiently: finding the(...TRUNCATED) | ["<think>\nOkay, let's see. The problem is to handle two types of queries on an array. The first typ(...TRUNCATED) | [
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"7",
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"9",
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"11",
"12",
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] | "The solutions are functionally equivalent as they all implement a version of Mo's algorithm to hand(...TRUNCATED) | ["<think>\nOkay, let's see. The problem is to handle two types of queries on an array. The first typ(...TRUNCATED) | "<think>\nOkay, I need to solve this programming problem. Let's read the problem statement carefully(...TRUNCATED) | [{"from":"human","value":"You come home and fell some unpleasant smell. Where is it coming from?\n\n(...TRUNCATED) |
null | "(This challenge is very similar, but this current challenge has additional complications.)\n\nImagi(...TRUNCATED) | null | null | null | null | null | 8 | null | null | stackexchange_codegolf | "The problem requires an understanding of geometrical reflections and handling a light beam simulati(...TRUNCATED) | 2,315 | 1,846 | ["Okay, so I need to solve this programming problem. Let's read the problem carefully.\n\nThe task i(...TRUNCATED) | ["To solve this problem, we need to simulate the path of a light beam entering a room with mirrored (...TRUNCATED) | ["<think>\nOkay, so I need to solve this programming problem. Let's read the problem carefully.\n\nT(...TRUNCATED) | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"10",
"12"
] | "The solutions listed are functionally similar as they all essentially accomplish the task of simula(...TRUNCATED) | ["<think>\nOkay, so I need to solve this programming problem. Let's read the problem carefully.\n\nT(...TRUNCATED) | "<think>\nOkay, I need to solve this programming problem. Let's read the problem carefully.\n\nSo, t(...TRUNCATED) | [{"from":"human","value":"(This challenge is very similar, but this current challenge has additional(...TRUNCATED) |
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