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Copy path9012.cpp
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53 lines (44 loc) · 1.12 KB
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#include <iostream>
#include <string>
#include <vector>
#include <stack>
using namespace std;
// stack은 무조건 마지막에 넣은 거만 추출 가능, 따로 인덱싱 안됨!!
// stack은 vector의 작은 범위!!
int main() {
int case_num;
cin >> case_num;
vector<string> vps(case_num);
vector<string> answer(case_num);
for (int i = 0; i < case_num; i++) {
cin >> vps[i];
}
for (int i = 0; i < case_num; i++) {
stack<char> s;
bool judge = true;
for (char elem : vps[i]) {
if (elem == '(') {
s.push(elem);
}
else if (elem == ')') {
if (!s.empty() && s.top() == '(') {
s.pop();
}
else {
judge = false;
break;
}
}
}
if (judge && s.empty()) {
answer[i] = "YES";
}
else {
answer[i] = "NO";
}
}
for (int i = 0; i < case_num; i++) {
cout << answer[i] << endl;
}
return 0;
}