Day2_문자열 겹쳐쓰기

[내 풀이]

#include <string>
#include <vector>

using namespace std;

string solution(string my_string, string overwrite_string, int s) {
    string answer = "";

    for(int i = 0; i < overwrite_string.length(); i++){
        my_string[s] = overwrite_string[i];
        s++;
    }

    answer = my_string;
    return answer;
}

[다른 사람 풀이]

#include <string>
#include <vector>

using namespace std;

string solution(string my_string, string overwrite_string, int s) {
    string answer = "";
    answer = my_string.replace(s,overwrite_string.size(),overwrite_string);
    return answer;
}

replace() 함수를 잘 활용해보기!