Magic square of odd no.c

#include <stdio.h>

void generateSquare(int n) {
    int magicSquare[n][n];
    memset(magicSquare, 0, sizeof(magicSquare));
    int i = n / 2;
    int j = n - 1;
    for (int num = 1; num <= n * n;) {
        if (i == -1 && j == n) {
            j = n - 2;
            i = 0;
        } else {
            if (j == n) j = 0;
            if (i < 0) i = n - 1;
        }
        if (magicSquare[i][j]) {
            j -= 2;
            i++;
            continue;
        } else {
            magicSquare[i][j] = num++;
        }
        j++;
        i--;
    }
    printf("The Magic Square for n=%d:\n", n);
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            printf("%3d ", magicSquare[i][j]);
        }
        printf("\n");
    }
}

int main() {
    int n;
    printf("Enter the order of the magic square (odd number): ");
    scanf("%d", &n);
    if (n % 2 == 0) {
        printf("Order must be an odd number.\n");
        return 1;
    }
    generateSquare(n);
    return 0;
}