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DescriptionEvery time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. Thus, Farmer John has built a set of drainage ditches so that Bessie's clover patch i 阅读全文
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DescriptionEvery cow's dream is to become the most popular cow in the herd. In a herd of N (1 1，那么不存在否则输出该点的强连通分量点的个数。#include#include#include#include#includeusing namespace std;int visit[10001];int dfn[10001],low[10001],head[10001],n,m,ret,ans,ti;int flag[10001];stack st;vector v[10001];int du[ 阅读全文
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We never paid any heed to the ancient prophecies, like fools we clung to the old hatreds, and fought as we had for generations. Until one day the sky rained fire, and a new enemy came upon us. We stand now upon the brink of destruction, for the Reign of Chaos has come at last.Thrall, the warchief of 阅读全文