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A. Odds and Ends time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Where do odds begin, and where do they end? Where does hope emerge, and will they ever break? Given an integer sequence a1, …
A. Odds and Ends Where do odds begin, and where do they end? Where does hope emerge, and will they ever break? Given an integer sequence a1, a2, ..., an of length n. Decide whether it is possible to divide it into an odd number of non-empty subsegmen…
[链接]点击打开链接 [题意] 让你把一个数组分成奇数个部分. 且每个部分的长度都是奇数. [题解] 很简单的脑洞题. 开头和结尾一定要为奇数,然后 n为奇数的话,就选整个数组咯. n为偶数的话,不能选整个数组. 那么就只能分成3,5,7...个部分. 但是每个部分又要求是奇数. 而奇数乘奇数为奇数. 这和n为偶数抵触. 所以n为偶数直接无解. [错的次数] 0 [反思] 在这了写反思 [代码] /* */ #include <cstdio> #include <iostream>…
先给出比赛地址啦,感觉这场比赛思维考察非常灵活而美妙. A. Odds and Ends ·述大意:      输入n(n<=100)表示长度为n的序列,接下来输入这个序列.询问是否可以将序列划分成奇数个连续部分,使得每一部分满足:开头结尾是奇数,序列长度也是奇数.如果可以输出Yes否则输出No. ·分析:     我们发现这是一道与奇偶性有关的问题,因此尝试进行一些分类讨论来探求解法.序列需要满足什么特点才能满足题目要求呢?      第一个突破口是:"划分成奇数个序列,每个序列长度为奇…
A. Odds and Ends Where do odds begin, and where do they end? Where does hope emerge, and will they ever break? Given an integer sequence a1, a2, ..., an of length n. Decide whether it is possible to divide it into an odd number of non-empty subsegmen…
Father Christmas flymouse Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 3241   Accepted: 1099 Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer…
Father Christmas flymouse Time Limit: 1000MS Memory Limit: 131072K Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer lab for training as extension of his contr…
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