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"来源poj3125" The only printer in the computer science students' union is experiencing an extremely heavy workload. Sometimes there are a hundred jobs i 阅读全文
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"来源poj2970" A new web design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web designer and an executive direct 阅读全文
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"来源poj2431" A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortunately mana 阅读全文
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LL Lucas(LL a, LL b) { if(a 阅读全文
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并查集 int pre[100005],temp;//num是保存被指向的数目 int find(int x) { if(pre[x]==x) return x; return pre[x]=find(pre[x]); } void Union(int x,int y)// 第一种是如果出现的两个点 阅读全文