Submission #574796

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Source Code Expand

#include <stdio.h>

int main(void){
  int N = 0;
  while(!(1 <= N && N <=256)){
    scanf("%d", &N);
  }

  if(N == 1){
    puts("1");
  }
  else {
    printf("%d\n", (N + N*6)/2);
  }

  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ^

Judge Result