Pattern Me

/* Compile it using: g++ pola.cpp -o pola */
/* Why use stdio? It's cheap and enough for this kind of work */

#include <cstdio>
using namespace std;

int main() {
    int N, i, j;

    printf("Nilai N : ");
    scanf("%d", &N);

    for (i=0; i<N; i++) {
        if (i%3==0) {
            for (j=0; j<=i; j++){
                if (j==0 || j==i) {
                    printf("#");
                } else {
                    printf("%d", j%10);
                }
            }
        } else {
            for (j=0; j<=i; j++){
                if (j==0 || j==i) {
                    printf("#");
                } else {
                    printf(" ");
                }
            }
        }
        printf("\n");
    }

    return 0;
}