Question

A 2-character string, userPassword, is read from input. Replace each digit character in userPassword with '*'. Otherwise, userPassword is not changed.

Answer 1

#include <iostream>
int main() {
    int n = 2;
    char userPassword[n];
    for(int i = 0; i<n; i++){
        std::cin>>userPassword[i];
        if(isdigit(userPassword[i]))
            userPassword[i]='*';
    }
    return 0;
}