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Given an array of 4 digits, return the largest 24 hour time that can be made. The smallest 24 hour time is 00:00, and the largest is 23:59. Starting f 阅读全文
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Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop o 阅读全文
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Given an array of integers A, a move consists of choosing any A[i], and incrementing it by 1. Return the least number of moves to make every value in 阅读全文
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C - ID Time limit : 2sec / Memory limit : 1024MB Score: 300 points Problem Statement In Republic of Atcoder, there are N prefectures, and a total of M 阅读全文
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B - Palace Time limit : 2sec / Memory limit : 1024MB Score: 200 points Problem Statement A country decides to build a palace. In this country, the ave 阅读全文