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食物链 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 113506 Accepted: 34507 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个 阅读全文
洛谷P1020 导弹拦截 
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How Many Tables Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 60960 Accepted Submission(s): 305 阅读全文
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A - Wireless Network POJ - 2236 Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 50348 Accepted: 20619 Description An earthquake takes plac 阅读全文
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B - The Suspects POJ - 1611 Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 61692 Accepted: 29146 Description Severe acute respiratory synd 阅读全文
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1 #include <bits/stdc++.h> 2 #define dbg(x) cout << #x << "=" << x << endl 3 4 using namespace std; 5 typedef long long LL; 6 const int maxn = 3e5 + 7 阅读全文