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[ํ๋ก๊ทธ๋๋จธ์ค ์ฐ์ต๋ฌธ์ /JAVA] ์ฌ๋ฐ๋ฅธ ๊ดํธ
์์ผ์ด 2022. 9. 20. 00:21๋ฐ์ํ
๋ฌธ์
https://school.programmers.co.kr/learn/courses/30/lessons/12909
import java.util.*;
class Solution {
boolean solution(String s) {
boolean answer = true;
Stack<Character> stack = new Stack<>();
if(s.charAt(0) != ')'){
for(char x : s.toCharArray()){
if(x == '('){
stack.push(x);
}else{
if(stack.empty()){
return false;
}
stack.pop();
}
}
if(!stack.empty()){
answer = false;
}
}else{
return false;
}
return answer;
}
}
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