全排列(cpp)

Posted 2022-07-12 dysjtu1995

void process1(string str, int i)
    if(i == str.length())
        cout << str << endl;
    
    for(int j = i;j < str.length(); j++)
        swap(str[i], str[j]);
        process1(str, i+1);
    


void printAllPermutations1(string str)
    process1(str, 0);