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RSS订阅原创 poj 1845 Sumdiv
DescriptionConsider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determine S modulo 9901 (the rest of the division of S by 9901).InputThe only line contains
2016-05-25 21:45:06
221
原创 Zero Sum(DFS)
Problem Description: Consider the sequence of digits from 1 through N (where N=9) in increasing order: 1 2 3 ... N. Now insert either a '+' for addition or a '-' for subtraction or
2016-05-10 20:30:37
417
原创 hdu 1181
Problem Description呃......变形课上Harry碰到了一点小麻烦,因为他并不像Hermione那样能够记住所有的咒语而随意的将一个棒球变成刺猬什么的,但是他发现了变形咒语的一个统一规律:如果咒语是以a开头b结尾的一个单词,那么它的作用就恰好是使A物体变成B物体. Harry已经将他所会的所有咒语都列成了一个表,他想让你帮忙计算一下他是否能完成老师的作业,将一个B(ba
2016-05-10 19:08:02
310
原创 hdu3355 Bomb
DescriptionThe counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current number
2016-05-03 13:08:02
316
原创 hdu 2089 不要62
Description杭州人称那些傻乎乎粘嗒嗒的人为62（音：laoer）。 杭州交通管理局经常会扩充一些的士车牌照，新近出来一个好消息，以后上牌照，不再含有不吉利的数字了，这样一来，就可以消除个别的士司机和乘客的心理障碍，更安全地服务大众。 不吉利的数字为所有含有4或62的号码。例如： 62315 73418 88914 都属于不吉利号码。但是，61152虽然含有6和2，但不
2016-05-03 13:05:41
293
原创 一道耗时间的水题
点击打开链接Problem Description: Do you know how to read the phone numbers in English? Now let me tell you.For example, In China, the phone numbers are 11 digits, like: 15012233444. S
2016-05-03 00:08:41
267
原创 POJ 3279 Fliptile
DescriptionFarmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows in which they manipulate an M × N grid (1 ≤ M ≤ 1
2016-05-02 12:57:28
202
原创 POJ 1321 棋盘问题
Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。Input输入含有多组测试数据。 每组数据的第一行是两个正整数，n k，用一个空格隔开，表示了将在一个n*n的矩阵内描述棋盘，以及摆放棋子的数目。 n <= 8
2016-05-02 12:54:36
250
原创 hdu2859 Phalanx
DescriptionToday is army day, but the servicemen are busy with the phalanx for the celebration of the 60th anniversary of the PRC. A phalanx is a matrix of size n*n, each element is a character
2016-05-02 12:47:07
419
原创 poj3136 Milking Time
DescriptionBessie is such a hard-working cow. In fact, she is so focused on maximizing her productivity that she decides to schedule her next N (1 ≤ N ≤ 1,000,000) hours (conveniently labeled 0..N-1
2016-05-02 12:45:15
192
原创 hdu1078 FatMouse and Cheese
DescriptionFatMouse has stored some cheese in a city. The city can be considered as a square grid of dimension n: each grid location is labelled (p,q) where 0 <= p < n and 0 <= q < n. At each grid l
2016-05-02 12:42:06
223
原创 poj3186 Treats for the Cows
FJ has purchased N (1 The treats are interesting for many reasons:The treats are numbered 1..N and stored sequentially in single file in a long box that is open at both ends. On any day, FJ ca
2016-05-02 12:35:49
229
原创 hdu1176 免费馅饼
把这道题看成是二维的会很好做，状态转移方程为dp[j][i+1]=max(dp[j][i],dp[j+1][i],dp[j-1][i])+a[j][i+1]；dp[i][j]表示第i秒在j位置最多能获得多少馅饼，如果不能到打j位置dp[i][j]=-INF
2016-05-02 11:34:52
178
原创 hdu1069 Monkey and Banana
一个长方体有6个面（有三个面是互不相同的），把他们的一条边先排好序，让后就是动态规划里的最长有序子序列。
2016-05-02 11:20:37
232
原创 POJ 3126 Prime Path
#include#include#include#include#define INF 0x3f3f3f3fstruct abcd{ int p; int step;}s[50000];int prime[10005];int num[5];int a[10005];int n,m;int ans=-1;
2016-05-01 20:22:37
206
原创 POJ 2251 Dungeon Master 搜索入门题
#include#include#include#include#define INF 0x3f3f3f3fstruct abcd{ int a,b,c; int step;}s[50000];char maze[50][50][50];int ok[50][50][50];int go[6][3]={{1
2016-05-01 19:07:54
385
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