Pola 9

#include <cstdio>
using namespace std;

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

    printf("Nilai N : ");
    scanf("%d", &N);
    half = N/2;

    for (i=0; i<N; i++)
    {
        for (j=0; j<N; j++)
        {
            if ((i==0) || (i==N-1) || (j==0) || (j==N-1))
            {
                printf("%%");
            } else if (N%2) {
                if ((j==half-i) || (j==N-i+half-1)) {
                    printf("3");
                }
                else if ((j==half+i) || (j==i-half)) {
                    printf("2");
                } else {
                    printf(" ");
                }
            } else {
                if ((j==half-i) || (j==N-i+half-2)) {
                    printf("3");
                }
                else if ((j==half+i-1) || (j==i-half+1)) {
                    printf("2");
                } else {
                    printf(" ");
                }
            }
        }
        printf("\n");
    }

    return 0;
}