Submission #615996

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Source Code Expand

#include <stdio.h>

#define n1 25
#define n2 2525
#define n3 252525
#define n4 25252525

int main()
{
double a;
int i=0;
char s[100];

scanf("%lf",&a);

if( a >= n1 && a <= n2){
i=1;
}else if( a >= n2 && a <= n3) {
i=2;
}else if( a >= n3 && a <= n4) {
i=3;
}else if( a >= n4) {
i=4;
}

printf("%d\n",i);

  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:14:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%lf",&a);
 ^

Judge Result