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boj9012.java
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36 lines (29 loc) · 803 Bytes
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import java.util.Scanner;
import java.util.Stack;
public class boj9012 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int T = sc.nextInt();
for (int i = 0; i < T; i++) {
System.out.println(check(sc.next()));
}
}
public static String check(String str) {
Stack<Character> stack = new Stack<>();
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (c == '(') {
stack.push(c);
} else if (stack.isEmpty()) {
return "NO";
} else {
stack.pop();
}
}
if (stack.isEmpty()) {
return "YES";
} else {
return "NO";
}
}
}