02)number_counter_machine.c

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <ctype.h>
int main() {  
    int c0=0,c1=0,c2=0,c3=0,c4=0,c5=0,c6=0,c7=0,c8=0,c9=0,i;
    char *s;
    s = malloc(1001*sizeof(char));
    scanf("%[^\n]",s);
    s = realloc(s, strlen(s)+1);
    for(i=0;i<strlen(s);i++)
    {
        switch (s[i]) {
            case '0':
            c0++;
            break;
            case '1':
            c1++;
            break;
            case '2':
            c2++;
            break;
            case '3':
            c3++;
            break;
            case '4':
            c4++;
            break;
            case '5':
            c5++;
            break;
            case '6':
            c6++;
            break;
            case '7':
            c7++;
            break;
            case '8':
            c8++;
            break;
            case '9':
            c9++;
            break;     
            default:
            break;
        }   
    }
            printf("%d %d %d %d %d %d %d %d %d %d",c0,c1,c2,c3,c4,c5,c6,c7,c8,c9);
    return 0;
}