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It’s normal to feel worried and tense the day before a programming... 阅读全文
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For the given integer n (n>2) let’s write down all the strings of ... 阅读全文
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The binomial coefficient C(m,n) is defined as C(m,n)= m! -------- ... 阅读全文
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You have N integers, A1, A2, … , AN. You need to deal with two kin... 阅读全文
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Ilya plays a card game by the following rules. A player has severa... 阅读全文
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At the children’s day, the child came to Picks’s house, and messed... 阅读全文
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I Hate It Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 327... 阅读全文
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Bear Limak has n colored balls, arranged in one long row. Balls ar... 阅读全文
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At the children’s day, the child came to Picks’s house, and messed... 阅读全文
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Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Tota... 阅读全文
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Factorial Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 655... 阅读全文
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You are given an array a consisting of n integers. Your task is to... 阅读全文
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C. Game with Chips time limit per test 1 second memory limit per t... 阅读全文
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B. Princesses and Princes time limit per test 2 seconds memory lim... 阅读全文
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You are given two integers n and k. Your task is to find if n can ... 阅读全文