View Code of Problem 77

#include <iostream>
#include <sstream>
#include <stdio.h>
#include <string>
#include <math.h>
#include <algorithm>
#include <stdlib.h>
#include <stack>
#include <map>
#include <set>
#include <queue>
using namespace std;



int main()
{

    string str;
    cin>>str;
    int len=str.size();
    for(int i=0;i<len;i++)
    {
        cout<<str[i];
        if(i<len-1) cout<<" ";
    }



    return 0;
}