Submission #1335712

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Source Code Expand

#include<stdio.h>

int main()
{
  int i,n,a1=0,a2=0,a3=1,a4;
  scanf("%d",&n);
  if(n>=4)
    for(i=0;i<n-3;i++){
      a4 = (a1 + a2 + a3)%10007;
      a1 = a2;
      a2 = a3;
      a3 = a4;
    }
  if(n == 2 || n==1)
    printf("%d\n",0);
  else
    printf("%d\n",a3);
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ^

Judge Result