题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1716 排列2 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5692 Accepted Submission(s): 2178 Problem Description Ray又对数字的列产生了兴趣:现有四张卡片,用这四张卡片能排列出很…
暴力,next_permutation函数用于枚举出下一个排列.sscanf函数用于将字符串转化成数字. #include<cstdio> #include<cstring> #include<algorithm> using namespace std; int n,len,ans; long long x,t; ]; int main() { scanf("%d",&n); ;i<=n;i++) { ans=; scanf(&quo…