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Connected Graph POJ - 1737 An undirected graph is a set V of vertices and a set of E∈{V*V} edges.An undirected graph is connected if and only if for e 阅读全文
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Examining the Rooms HDU - 3625 A murder happened in the hotel. As the best detective in the town, you should examine all the N rooms of the hotel imme 阅读全文
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SP5973 SELTEAM - Selecting Teams #include <bits/stdc++.h> using namespace std; typedef long long ll; inline ll read() { ll s=0; bool f=0; char ch=' '; 阅读全文
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Case of Computer Network CodeForces - 555E Andrewid the Android is a galaxy-known detective. Now he is preparing a defense against a possible attack b 阅读全文