摘要:Ilya Muromets Gym - 100513F Силачом слыву недаром — семерых одним ударом! From the Russian cartoon on the German fairy tale. Силачом слыву недаром — с
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摘要:Brackets POJ - 2955 We give the following inductive definition of a “regular brackets” sequence: the empty sequence is a regular brackets sequence, if
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摘要:Easy Game LightOJ - 1031 You are playing a two player game. Initially there are n integer numbers in an array and player A and B get chance to take th
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摘要:Beauty of Array ZOJ - 3872 Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the a
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摘要:Strategic game POJ - 1463 Bob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solution fast enough and the
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摘要:Average distance HDU - 2376 Given a tree, calculate the average distance between two vertices in the tree. For example, the average distance between t
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摘要:Almost Arithmetical Progression CodeForces - 255C Gena loves sequences of numbers. Recently, he has discovered a new type of sequences which he called
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摘要:Anniversary party HDU - 1520 There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierar
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摘要:Cards and Joy CodeForces - 999F There are nn players sitting at the card table. Each player has a favorite number. The favorite number of the j-th pla
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摘要:Hometask codeforces 155C Sergey attends lessons of the N-ish language. Each lesson he receives a hometask. This time the task is to translate some sen
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摘要:Bear and Blocks CodeForces - 574D Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row
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摘要:Bone Collector II HDU - 2639 The title of this problem is familiar,isn't it?yeah,if you had took part in the "Rookie Cup" competition,you must have se
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摘要:HDU-3664 Permutation Counting Given a permutation a1, a2, … aN of {1, 2, …, N}, we define its E-value as the amount of elements where ai > i. For exam
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