Submission #52589270

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
int n,q,vis[10005];
signed main()
{
  scanf("%d%d",&n,&q);
  for(int i=1;i<=q;i++)
  {
    int x;
    scanf("%d",&x);
    if(vis[x])n++;
    else n--;
    vis[x]^=1;
  }
  printf("%d",n);
  return 0;
}
 
 
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#include<bits/stdc++.h>
using namespace std;
int n,q,vis[10005];
signed main()
{
	scanf("%d%d",&n,&q);
	for(int i=1;i<=q;i++)
	{
		int x;
		scanf("%d",&x);
		if(vis[x])n++;
		else n--;
		vis[x]^=1;
	}
	printf("%d",n);
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:6:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    6 |         scanf("%d%d",&n,&q);
      |         ~~~~~^~~~~~~~~~~~~~
Main.cpp:10:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   10 |                 scanf("%d",&x);
      |                 ~~~~~^~~~~~~~~

Judge Result