//yy:想到昨天一个神题整了几个小时,最后按题解把p拆了用孙子定理..今天这个简单,把C暴力拆了.. 题目链接:nefu 628 Garden visiting 1 <= n, m, p <= 10^5 题意:给出n*m的矩形,求从左上角到右下角的路径数(对p取模). 题解:答案就是C(m+n-2, m-1),但是不能杨辉三角,而且考虑到p可能为合数..再看看这个数据范围,可以暴力进行素因子分解哇... #include<cstdio> using namespace std;…
Garden visiting Problem:628 Time Limit:1000ms Memory Limit:65536K Description There is a very big garden at Raven’s residence. We regard the garden as an n*m rectangle. Raven’s house is at the top left corner, and the exit of the garden is at the b…
这个东西先放在这吧.做过的以后会用#号标示出来 1.burnside定理,polya计数法 这个大家可以看brudildi的<组合数学>,那本书的这一章写的很详细也很容易理解.最好能完全看懂了,理解了再去做题,不要只记个公式. *简单题:(直接用套公式就可以了) pku2409 Let it Bead #http://acm.pku.edu.cn/JudgeOnline/problem?id=2409 pku2154 Color #http://acm.p…
题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5977 Description When God made the first man, he put him on a beautiful garden, the Garden of Eden. Here Adam lived with all animals. God gave Adam eternal life. But Adam was lonely in the garden, s…
题目链接: Garden of Eden Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 210 Accepted Submission(s): 75 Problem Description When God made the first man, he put him on a beautiful garden, the G…
Cellular automata are mathematical idealizations of physical systems in which both space and time are discrete, and the physical quantities take on a nite set of discrete values. A cellular automaton consists of a lattice (or array), usually in nite,…
Pashmak and Garden Codeforces Round #261 (Div. 2) A. Pashmak and Garden time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Pashmak has fallen in love with an attractive girl called Parmida sin…
Problem G. Garden Gathering Input file: standard input Output file: standard output Time limit: 3 seconds Memory limit: 512 megabytes Many of you may have been to St. Petersburg, but have you visited Peterhof Palace? It is a collection of splendid pa…
A. Pashmak and Garden time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting…
树形dp..水 ------------------------------------------------------------------------ #include<cstdio> #include<algorithm> #include<cstring> #include<iostream> #define rep( i , n ) for( int i = 0 ; i < n ; i++ ) #define clr( x , c…
Problem Description When God made the first man, he put him on a beautiful garden, the Garden of Eden. Here Adam lived with all animals. God gave Adam eternal life. But Adam was lonely in the garden, so God made Eve. When Adam was asleep one night, G…
链接:https://www.nowcoder.com/acm/contest/142/F来源:牛客网 题目描述 There's a beautiful garden whose size is n x m in Chiaki's house. The garden can be partitioned into n x m equal-sized square chunks. There are some kinds of flowers planted in each square chun…
描述 Ming is going to travel for n days and the date of these days can be represented by n integers: 0, 1, 2, …, n-1. He plans to spend m consecutive days(2 ≤ m ≤ n)in Beijing. During these m days, he intends to use the first day and another day to vis…
