๋ฐ์ํ
https://programmers.co.kr/learn/courses/30/lessons/12903
[ ๋ฌธ์ ]
๋จ์ด s์ ๊ฐ์ด๋ฐ ๊ธ์๋ฅผ ๋ฐํํ๋ ํจ์, solution์ ๋ง๋ค์ด ๋ณด์ธ์. ๋จ์ด์ ๊ธธ์ด๊ฐ ์ง์๋ผ๋ฉด ๊ฐ์ด๋ฐ ๋๊ธ์๋ฅผ ๋ฐํํ๋ฉด ๋ฉ๋๋ค.
[ ์ ํ์กฐ๊ฑด ]
s๋ ๊ธธ์ด๊ฐ 1 ์ด์, 100์ดํ์ธ ์คํธ๋ง์ ๋๋ค.
[ ์ ์ถ๋ ฅ ์ ]
s | return |
"abcde" | "c" |
"qwer" | "we" |
[ ํ์ด ]
class Solution {
public String solution(String s) {
String answer = "";
int pick = s.length() / 2;
if(s.length() % 2 == 0) {
answer += s.charAt(pick-1);
answer += s.charAt(pick);
}
else {
answer += s.charAt(pick);
}
return answer;
}
}