交换相邻两数 如果只是交换相邻两数,那么最少交换次数为该序列的逆序数. 交换任意两数 数字的总个数减去循环节的个数?? A cycle is a set of elements, each of which is in the place of another. So in example sequences { 2, 1, 4, 3}, there are two cycles: {1, 2} and {3, 4}. 1 is in the place where 2 needs to G
A /*Huyyt*/ #include<bits/stdc++.h> #define mem(a,b) memset(a,b,sizeof(a)) #define pb push_back using namespace std; typedef long long ll; typedef unsigned long long ull; const ll LLmaxn = 2e18; ; int main() { ; ; int n; cin >> n; ; i <= n;
#-*- coding:UTF-8 -*- #环境:python3 print("Enter the numbers between 1 and 100:") enterList=[] #记录输入的元素 while 1: a = int(input(">>>")) #将输入转换为int型 if a == 0: print ("Your input:",enterList) break #结束输入 if a<1 or a&g
You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any combination of the coins,
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2277 Change the ball Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 694 Accepted Submission(s): 272 Problem Description Garfield has three pile
连接https://atcoder.jp/contests/abc143/tasks/abc143_e 题目大意: 在一个无向图中,当前的油量为L,给出q个问题,判断从a到b需要多少加几次油,路上每个节点都可以加油,输出需要加油的最少次数 AC代码: #include<bits/stdc++.h> using namespace std; ; typedef long long ll; ; ll arr[N][N]; ll brr[N][N]; int main(){ ll n,m,l; ci