Submission #1865428

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Source Code Expand

#include <stdio.h>
int main(void){
  int a,b,c;
  int j1,j2;
  scanf("%d%d%d",&a,&b,&c);
  if(a+b==c) j1=1;
  else j1=0;
  if(a-b==c) j2=1;
  else j2=0;
  if(j1==1 && j2==0) printf("+\n");
  if(j1==0 && j2==1) printf("-\n");
  if(j1==1 && j2==1) printf("?\n");
  if(j1==0 && j2==0) printf("!\n");
  return(0);
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&a,&b,&c);
   ^

Judge Result