12345的全排列

// AllOrder12345.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <iostream>#include <string>using namespace std;string nums="12345";int n=0;void list(string index, string result) { for (int i = 0; i < nums.length(); i++) {if ((int)index.find(i + 48)< 0) {string s = result + nums[i];if (s.length() == nums.length()) {cout<<s<<endl;n++;break;}list(index + (char)(i+48), s);}}}int main(int argc, char* argv[]){list("","");cout<<"Total:"<<n<<endl;return 0;}