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摘要: 树状数组。代码:#include #include #include #include #include #include using namespace std;#define N 100010int vis[N],have[N];int low[N],high[N];int c[N];vect... 阅读全文
posted @ 2014-01-26 15:17 whatbeg 阅读(201) 评论(0) 推荐(0)