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题目链接 Problem Description Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯,an There are m queries.In the i-th query, you a 阅读全文
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题目链接 Problem Description The signature of a permutation is a string that is computed as follows: for each pair of consecutive elements of the permutat 阅读全文
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题目链接 Problem Description You have got a cylindrical cup. Its bottom diameter is 2 units and its height is 2 units as well.The height of liquid level i 阅读全文
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题目链接 Problem Description As we all known, merge sort is an O(nlogn) comparison-based sorting algorithm. The merge sort achieves its good runtime by a 阅读全文
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题目链接 Problem Description Bob wants to hold a race to encourage people to do sports. He has got trouble in choosing the route. There are N houses and N 阅读全文
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题目链接 Problem Description Nowadays princess Claire wants one more guard and posts the ads throughout the kingdom. For her unparalleled beauty, generali 阅读全文
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题目链接 problem description Little Ruins is a studious boy, recently he learned addition operation! He was rewarded some number bricks of 11 to 99 and in 阅读全文
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题目链接 Description George took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return stic 阅读全文
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题目链接 Problem Description Now there are n gems, each of which has its own value. Alice and Bob play a game with these n gems.They place the gems in a r 阅读全文
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题目链接 Problem Description Uncle Mao is a wonderful ACMER. One day he met an easy problem, but Uncle Mao was so lazy that he left the problem to you. I 阅读全文