暴力激活成功教程密码 – C++ 递归方法实现

#include <iostream>
#include<string>

using std::string;
using namespace std;

void BreakPassword( string Words, int PasswordLen, string result)
{
    if (result.length() == PasswordLen)
    {
        //C++中string类型不能直接输出，需加头问题#include<string>，不能用#include<string.h>
        cout << result << "    ";
        return;
    }

    for (int i = 0; i < Words.length(); ++i)
    {
        string newResult = result;
        newResult.insert( newResult.end(), Words[i] );
        BreakPassword(Words, PasswordLen, newResult);
    }
}

int _tmain(int argc, _TCHAR* argv[])
{
    int passwordLen = 4;
    string words("abcde");
    string result = "";
    
    BreakPassword(words, passwordLen, result);

    return 0;
}