[백준] 2577번 : 숫자의 개수 - C

https://www.acmicpc.net/problem/2577

#include<stdio.h>

int main() {
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    int arr[10]={0};
    int mul=a*b*c;
    while(mul>0){
        int num=mul%10;
        arr[num]++;
        mul/=10;
    }
    for(int i=0;i<10;i++){
        printf("%d\n",arr[i]);
    }
}