LV. 1 :: 핸드폰 번호 가리기

https://school.programmers.co.kr/learn/courses/30/lessons/12948

프로그래머스

 

function solution(phone_number) 
{
    var star = '****************'
    var str1 = star.slice(0, phone_number.length-4); 
    var str2 = phone_number.slice(phone_number.length-4);
    return str1+str2;
}

230916 C++

#include <string>
#include <vector>

using namespace std;

string solution(string phone_number) {
    string starstring = "";
    for (int i=0; i<phone_number.size()-4; i++){
        starstring += "*";
    }
    string numberstring  = phone_number.substr(phone_number.size()-4, 4);
    return starstring + numberstring;
}