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Description One-dimensional country has n cities, the i-th of which is located at the point xi and has population pi, and all xi, as well as all pi, a 阅读全文
posted @ 2016-07-12 16:32
meekyan
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题目描述： 定义数的消除操作为选定[L，R，x]，如果数的第L到第R位上的数字都大于等于x，并且这些数都相等，那么该操作是合法的(从低位到高位编号，个位是第一位，百位是第二位……),然后将这些位数上的数减x；否则就是不合法的，不能进行操作。对一个数操作最少的次数使得这个数变成0，这个操作次数称为该数 阅读全文
posted @ 2016-07-10 20:08
meekyan
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Warm up Problem Description N planets are connected by M bidirectional channels that allow instant transportation. It's always possible to travel betw 阅读全文
posted @ 2016-07-10 17:27
meekyan
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Paint Pearls Problem Description Lee has a string of n pearls. In the beginning, all the pearls have no color. He plans to color the pearls to make it 阅读全文
posted @ 2016-07-10 11:24
meekyan
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吉哥系列故事——完美队形II Problem Description 吉哥又想出了一个新的完美队形游戏！ 假设有n个人按顺序站在他的面前，他们的身高分别是h[1], h[2] ... h[n]，吉哥希望从中挑出一些人，让这些人形成一个新的队形，新的队形若满足以下三点要求，则就是新的完美队形： 1、挑 阅读全文
posted @ 2016-07-10 10:10
meekyan
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Dire Wolf Problem Description Dire wolves, also known as Dark wolves, are extraordinarily large and powerful wolves. Many, if not all, Dire Wolves app 阅读全文
posted @ 2016-07-08 21:43
meekyan
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1072: [SCOI2007]排列perm Description 给一个数字串s和正整数d, 统计s有多少种不同的排列能被d整除（可以有前导0）。例如123434有90种排列能被2整除，其中末位为2的有30种，末位为4的有60种。 给一个数字串s和正整数d, 统计s有多少种不同的排列能被d整除（ 阅读全文
posted @ 2016-07-08 17:12
meekyan
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D. Dividing Kingdom II D. Dividing Kingdom II Long time ago, there was a great kingdom and it was being ruled by The Great Arya and Pari The Great. Th 阅读全文
posted @ 2016-07-01 15:28
meekyan
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E. The Values You Can Make Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The price of the cho 阅读全文
posted @ 2016-06-30 20:41
meekyan
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D. Kay and Snowflake After the piece of a devilish mirror hit the Kay's eye, he is no longer interested in the beauty of the roses. Now he likes to wa 阅读全文
posted @ 2016-06-24 16:12
meekyan
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