Iterating over main parts of a matrix

main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char* argv[]) {
    int matrix[5][5] = {
        {1, 1, 1, 1, 1},
        {2, 2, 2, 2, 2},
        {3, 3, 3, 3, 3},
        {1, 2, 3, 4, 5},
        {1, 2, 3, 4, 5}
    };
    
    int i, j, n = 5;
    for (i = 0; i < n / 2; i++) {
        for (j = 0; j < n; j++) {
            if (j > i && j < n - i - 1) {
                printf("%d ", matrix[i][j]);
            }
        }
        printf("\n");
    }
    
    return 0;
}