思路:生成全排列,用next_permutation,注意生成之前先对那个字符数组排序。
AC代码:
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
#include <cmath>
using namespace std;
char str[20];
int main() {
int n;
cin >> n;
while(n--) {
scanf("%s", str);
int len = strlen(str);
sort(str, str + len);
do
{
printf("%s\n", str);
}while(next_permutation(str, str + len));
printf("\n");
}
return 0;
}
UVA - 10098 - Generating Fast (枚举排列)
原文地址:http://blog.csdn.net/u014355480/article/details/44471361