Submission #62517870

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
const int N=1005;
int n,m,a[N],cnt,x;
int main() {
  scanf("%d%d",&n,&m);
  while(m--) {
    scanf("%d",&x);
    a[x]=1;
  }
  for(int i=1;i<=n;i++) cnt+=1-a[i];
  printf("%d\n",cnt);
  for(int i=1;i<=n;i++) {
    if(a[i]==0) printf("%d ",i);
  } 
  printf("\n");
  return 0;
}
 
 
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#include<bits/stdc++.h>
using namespace std;
const int N=1005;
int n,m,a[N],cnt,x;
int main() {
	scanf("%d%d",&n,&m);
	while(m--) {
		scanf("%d",&x);
		a[x]=1;
	}
	for(int i=1;i<=n;i++) cnt+=1-a[i];
	printf("%d\n",cnt);
	for(int i=1;i<=n;i++) {
		if(a[i]==0) printf("%d ",i);
	} 
	printf("\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,&m);
      |         ~~~~~^~~~~~~~~~~~~~
Main.cpp:8:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    8 |                 scanf("%d",&x);
      |                 ~~~~~^~~~~~~~~

Judge Result