C++简单实现的全排列算法示例

#include "stdafx.h"#include <string>#include <algorithm>#include <iostream>void func(const char *str_in){  std::string str(str_in);  std::sort(str.begin(),str.end());  do  {    std::cout<<str<<std::endl;  }while (std::next_permutation(str.begin(),str.end()));}int _tmain(int argc, _TCHAR* argv[]){  func("cab");  return 0;}