Submission #70233309

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Source Code Expand

#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int q, neg_count = 0;
    scanf("%d", &q);
    vector <int> vect;
    vect.push_back(0);

    for(int i = 1 ; i <= q ; i++)
    {
        int code;
        scanf("%d", &code);
        if(code == 1)
        {
            int temp = vect.back();
            char x;
            scanf("\n%c", &x);

            if(x == '(')
                temp++;
            else
                temp--;
            vect.push_back(temp);
            if(temp < 0)
                neg_count++;
        }
        else
        {
            if(vect.back() < 0)
                neg_count--;
            vect.pop_back();
        }

        if(vect.back() == 0 && neg_count == 0)
            printf("Yes\n");
        else
            printf("No\n");

    }

    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:10:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   10 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
Main.cpp:17:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   17 |         scanf("%d", &code);
      |         ~~~~~^~~~~~~~~~~~~
Main.cpp:22:18: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   22 |             scanf("\n%c", &x);
      |             ~~~~~^~~~~~~~~~~~

Judge Result