Question

How to calculate the number of digits using log in C

Answer 1

#include <stdio.h>
#include <math.h>

int count_digit(int number) {
   return (int)log10(number) + 1;            
}
 
int main() {
   printf("%d", count_digit(579014));
   
   return 0;
}    



/*
run:

6

*/

 

70+ SQL courses for beginners and professionals