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Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 8306 Accepted: 3130 Description Doubleville, a small town in Texas, was attacked by the ali 阅读全文
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Phone List Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 29416 Accepted: 8774 Description Given a list of phone numbers, determine if it 阅读全文
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24 Point game 时间限制:3000 ms | 内存限制:65535 KB 难度:5 24 Point game 时间限制:3000 ms | 内存限制:65535 KB 难度:5 There is a game which is called 24 Point game. In this 阅读全文
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You are given two integers: n and k, your task is to find the most significant three digits, and least significant three digits of nk. Input Input sta 阅读全文
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Sigma function is an interesting function in Number Theory. It is denoted by the Greek letter Sigma (σ). This function actually denotes the sum of all 阅读全文