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题目描述 如题,已知一个数列,你需要进行下面两种操作: 将某区间每一个数数加上 xxx; 求出某一个数的值。 输入格式 第一行包含两个整数 NNN、MMM,分别表示该数列数字的个数和操作的总个数。 第二行包含 NNN 个用空格分隔的整数,其中第 iii 个数字表示数列第 ii i 项的初始值。 接下 阅读全文
posted @ 2020-04-13 19:45
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You have an array aa of length nn . For every positive integer xx you are going to perform the following operation during the xx -th second: Select so 阅读全文
posted @ 2020-04-13 11:06
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You have array of nn numbers a1,a2,…,ana1,a2,…,an . Rearrange these numbers to satisfy |a1−a2|≤|a2−a3|≤…≤|an−1−an||a1−a2|≤|a2−a3|≤…≤|an−1−an| , where 阅读全文
posted @ 2020-04-13 10:50
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You have integer nn. Calculate how many ways are there to fully cover belt-like area of 4n−24n−2 triangles with diamond shapes. Diamond shape consists 阅读全文
posted @ 2020-04-13 10:41
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