题目链接: Arrange Time Limit: 8000/4000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description Accidentally, Cupid, god of desire has hurt himself with his own dart and fallen in love with Psyche. This has drawn the fury o…
Description Farmer Johnson's Bulls love playing basketball very much. But none of them would like to play basketball with the other bulls because they believe that the others are all very weak. Farmer Johnson has N cows (we number the cows from 1 to…
E. Arrange Teams time limit per test:2 seconds memory limit per test:64 megabytes input:standard input output:standard output Syrian Collegiate Programming Contest (SCPC) is the qualified round for the Arab Collegiate Programming Contest. Each year S…
/** * Input an array of positive integers, arrange the integers to form new digits, * and output the smallest digit among all the new ones. * Input Example 1: * {2, 1} * Output Example 1: * 12 * * Input Example 2: * {32, 321} * Output Example 2: * 32…
题目链接: http://poj.org/problem?id=2441 Arrange the Bulls Time Limit: 4000MSMemory Limit: 65536K 问题描述 Farmer Johnson's Bulls love playing basketball very much. But none of them would like to play basketball with the other bulls because they believe that…
Arrange Time Limit: 8000/4000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description Accidentally, Cupid, god of desire has hurt himself with his own dart and fallen in love with Psyche. This has drawn the fury of his mot…
Arrange the Bulls Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 5427 Accepted: 2069 Description Farmer Johnson's Bulls love playing basketball very much. But none of them would like to play basketball with the other bulls because the…
1095 - Arrange the Numbers Consider this sequence {1, 2, 3 ... N}, as an initial sequence of first N natural numbers. You can rearrange this sequence in many ways. There will be a total of N! arrangements. You have to calculate the number of arrangem…
Consider this sequence {1, 2, 3, . . . , N}, as a initial sequence of first N natural numbers. You canearrange this sequence in many ways. There will be N! different arrangements. You have to calculatethe number of arrangement of first N natural numbers…
给出n,m,k,求1~n中前m个正好有k个在原来位置的种数(i在第i个位置) 做法:容斥,先选出k个放到原来位置,然后剩下m-k个不能放到原来位置的,用0个放到原来位置的,有C(m-k,0)*(n-k)!种 - 1个放原来位置的,有C(m-k,1)*(n-k-1)!种+...-... #include <bits/stdc++.h> using namespace std; typedef long long LL; ; const int INF=0x3f3f3f3f; ; ,T; int…