hdu 6071 Lazy Running 最短路建模

Lazy RunningTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Problem DescriptionIn HDU, you ha
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hdu 6070 Dirt Ratio 线段树+二分

Dirt RatioTime Limit: 18000/9000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Special JudgeProblem DescriptionIn
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hdu 6069 Counting Divisors 筛法

Counting DivisorsTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Problem DescriptionIn mathe
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hdu 6053 TrickGCD 筛法

TrickGCDTime Limit: 5000/2500 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Problem DescriptionYou are given an a
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hdu 6041 I Curse Myself 无向图找环+优先队列

I Curse MyselfTime Limit: 8000/4000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Problem DescriptionThere is a c
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hdu 4349 Xiao Ming's Hope 规律

Xiao Ming's HopeTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Problem DescriptionXiao Ming li
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hdu 5833 Zhu and 772002 高斯消元

Zhu and 772002Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Problem DescriptionZhu and 772002
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HDU 5985 Lucky Coins 数学

Lucky Coins题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=5985DescriptionBob has collected a lot of coins in different kinds. He wants to know which k
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HDU 4786 Fibonacci Tree 最小生成树

Fibonacci Tree题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=4786Description Coach Pang is interested in Fibonacci numbers while Uncle Yang wants him
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HDU 5961 传递 随机化

传递题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=5961Description我们称一个有向图G是传递的,当且仅当对任意三个不同的顶点a,,若G中有 一条边从a到b且有一条边从b到c ,则G中同样有一条边从a到c。我们称图G是一个竞赛图,当且仅当它是
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