code coach halloween coach

Question

in this code
#include<stdio.h>
int perc();
int main (){
int num_houses;
// akes the input
scanf("%d",&num_houses);
printf("%d%% \n",perc(num_houses));
return 0;
}

int perc(int house){
int percent=100*2/house;
return percent;
}

when i give 3 it gives 66
but in solo learn code coach it gives 67

and so on

when i use round it messes with all the ruslts

Answer 1

Asked to apply round - up so apply ceil function on result.

return ceil( 2.0/house * 100 ) ;

int/int result int type only. For decimal part, you need atleast on double type value in division.