Emuskald needs a fence around his farm, but he is too lazy to build it himself. So he purchased a fence-building robot. He wants the fence to be a reg ...
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其他好文 时间:
2017-07-31 12:30:17
阅读次数:
172
Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting with his partner in a romantic ...
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其他好文 时间:
2017-07-30 20:29:42
阅读次数:
150
Someday, Drazil wanted to go on date with Varda. Drazil and Varda live on Cartesian plane. Drazil's home is located in point (0,?0) and Varda's home i ...
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其他好文 时间:
2017-07-30 20:03:07
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199
Duff is addicted to meat! Malek wants to keep her happy for n days. In order to be happy in i-th day, she needs to eat exactly ai kilograms of meat. T ...
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其他好文 时间:
2017-07-30 12:55:36
阅读次数:
166
Kirito is stuck on a level of the MMORPG he is playing now. To move on in the game, he's got to defeat all n dragons that live on this level. Kirito a ...
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其他好文 时间:
2017-07-30 12:54:18
阅读次数:
134
832D - Misha, Grisha and Underground 思路:lca,求两个最短路的公共长度。公共长度公式为(d(a,b)+d(b,c)-d(a,c))/2。 代码: ...
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其他好文 时间:
2017-07-30 11:38:57
阅读次数:
125
There is a straight snowy road, divided into n blocks. The blocks are numbered from 1 to n from left to right. If one moves from the i-th block to the ...
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其他好文 时间:
2017-07-30 00:59:13
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234
A.统计总时间,从总时间开始找第一个能提交的点。 #include<bits/stdc++.h> using namespace std; int n,m,a[1005],ok[100005] = {0}; int main() { ios::sync_with_stdio(0); cin >> n ...
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其他好文 时间:
2017-07-29 10:08:38
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214
A没做 B地址 http://codeforces.com/problemset/problem/754/B 哎,一个可以说是普通的水题,却卡了一段时间WA数次由于考虑不周全和一些sb错误。 先是把题目中的'x'看做了'X',一口老血,后来懒得改上面(太多X了),就想着直接把x换成X,结果....在 ...
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其他好文 时间:
2017-07-28 22:21:22
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180
题意:一个数列,我们可以把他分成若干段,每段的值为最大值减去最小值,问最大的值和为多少 思路:肯定是单调的放在一起,那么峰值该如何处理,要么放在前面段,要么后面段,如:1 3 4 1 ,或者 1 3 7 6 ...
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其他好文 时间:
2017-07-28 22:14:01
阅读次数:
105