/* Matrice unitaire */

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

#define DIMENSION 4


int main() {
    int matrice[DIMENSION][DIMENSION];

    for (int i = 0; i < DIMENSION; i++) {
        for (int j = 0; j < DIMENSION; j++) {
            if (i == j) matrice[i][j] = 1;
            else matrice[i][j] = 0;
            printf("%d ", matrice[i][j]);
        }
        printf("\n");
    }



    return 0;
}