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摘要: 设置两个数组来记录后面的长度和前面的长度#include#include #include#include#include#include#include#includeusing namespace std;int behind[30010],front[30010],f[300... 阅读全文
posted @ 2017-02-24 13:33 primes 阅读(168) 评论(0) 推荐(0)