/* * POJ_2249.cpp * * Created on: 2013年10月8日 * Author: Administrator */ #include <iostream> #include <cstdio> using namespace std; typedef long long int64; int64 work(int64 n , int64 k){ if(k > n/2){ k = n-k; } int64 a = 1; int64 b = 1; int…
#include<stdio.h> longlong sum; int main() { int k,n,m; while(~scanf("%d%d",&n,&m)&&(n!=0||m!=0)) { sum =1; m = m<(n-m)?m:n-m; for(k =1;k <= m;k++) sum =(sum*(n-m+k))/k; printf("%lld\n",sum); } return0;}…
Binomial Showdown Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22692 Accepted: 6925 Description In how many ways can you choose k elements out of n elements, not taking order into account? Write a program to compute this number. Inp…
The Windy's Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5362 Accepted: 2249 Description The Windy's is a world famous toy factory that owns M top-class workshop to make toys. This year the manager receives N orders for toys. The ma…
Halloween treats Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 7644 Accepted: 2798 Special Judge Description Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets…
Find a multiple Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7192 Accepted: 3138 Special Judge Description The input contains N natural (i.e. positive integer) numbers ( N <= 10000 ). Each of that numbers is not greater than 15000…
The Pilots Brothers' refrigerator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 22286 Accepted: 8603 Special Judge Description The game “The Pilots Brothers: following the stripy elephant” has a quest where a player needs to open a…
Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 37427 Accepted: 16288 Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the…
Corn Fields Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 9806 Accepted: 5185 Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yumm…
Sum of Consecutive Prime Numbers Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20050 Accepted: 10989 Description Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representatio…
Tree Recovery Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11939 Accepted: 7493 Description Little Valentine liked playing with binary trees very much. Her favorite game was constructing randomly looking binary trees with capital le…
Seek the Name, Seek the Fame Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 17898 Accepted: 9197 Description The little cat is so famous, that many couples tramp over hill and dale to Byteland, and asked the little cat to give names t…
poj 1251 Jungle Roads (最小生成树) Link: http://poj.org/problem?id=1251 Jungle Roads Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 23507 Accepted: 11012 Description The Head Elder of the tropical island of Lagrishan has a problem. A b…
