UVa - 1225 - Digit Counting

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main (){
    int t, i, n, r, count[10];
    cin >> t;
    while(t--){
        cin >> n;
        memset (count, 0, sizeof count);
        for (i = 1; i <= n; i++ ){
            r = i;
            while(r > 0) {
                count [r % 10]++;
                r = r / 10;
            }
        }
        for (i = 0; i < 9; i++ ){
            cout << count[i] << " ";
        }
        cout << count[9] << endl;
    }
    return 0;
}