code. compile. run. debug. share.
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/******************************************************************************
Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************/
#include <cstdio>
#include <vector>
using namespace std;
int main() {
vector<char> st;
vector<char> ans;
int a;
scanf("%d", &a);
for (int i = 0; i < a; i++) {
scanf("%s", &st);
for (int i = 0; i < st.size(); i++) {
if(st[i] == '(') //segement fault
ans.push_back(st[i]);
else if (st[i] == ')' && !ans.empty()) {
if(ans.back() != '(') {
printf("NO");
break;
}
ans.pop_back();
}
else {
printf("NO");
break;
}
}
if (ans.empty())
printf("YES");
st.clear();
ans.clear();
}
return 0;
}
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