Floating Point digits

gistfile1.c

/* 
 * File:   main.cpp
 * Author: christian
 *
 * Created on 21 de noviembre de 2011, 14:00
 */

#include <cstdlib>
#include <math.h>
#include <stdio.h>
int main(int argc, char** argv) {
    int a;
    scanf("%d",&a);
    printf("Cifras: %d",(int)floor(log10(abs(a)))+1);
}