how to make each alphabet on string has space before the other alphabet

Question

for example input=code
output= c o d e

but the input code have to use= scanf(%s, input)
so i can only use one %s

Answer 1

#include <iostream>
using namespace std;

int main() {
string s;
cin>>s;
for(int i=0; i<s.size(); i++)
cout<<s[i]<<" ";
cout<<endl;
return 0;
}