Question

#include <iostream>
#include <string>

using namespace std;
//Write a function that changes all characters in a string to dashes

string to_dash(string s){
for(int i = 0; i < s.length(); i++){

}
return s;
}

int main(){
string s;
cin >> s;
s = to_dash(s);
cout << s << endl;
}

Answer 1

#include <iostream>
#include <string>

using namespace std;
//Write a function that changes all characters in a string to dashes

string to_dash(string s) {
    for (int i = 0; i < s.length(); i++) {
        s[i] = '-';
    }
    return s;
}

int main() {
    string s;
    cin >> s;
    s = to_dash(s);
    cout << s << endl;
}