Submission #3629740

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
bool a[100000000];int x;
int main()
{
	while(!x)
	{ scanf("%d",&x);
	  for(int i=2;i<x;i++)
	  { if(!a[i]&&!(x%i)){printf("%d\n",i);break;} 
	    if(!a[i])for(int j=1;j*i<=x;j++)a[j*i]=1;}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  { scanf("%d",&x);
                  ^

Judge Result