#include <stdio.h>
#define N 9
#define M (N * N + 1)/ 2 - N

void print(int mass[N][N]) {
    int i, j;
    printf("matrix:\n");
    for (i = 0; i < N; i++) {
        for (j = 0; j < N; j++) {
            printf("%d\t", mass[i][j]);
        }
        printf("\n");
    }
}
int FillArray(int mass[M]) {
    int i;
    
    for (i = 0; i < M; i++) {
        mass[i] = i + 1;
    }
    return mass[M];
}
int FillArrayWithNull(int mass[N][N]) {
    int i, j;
    for (i = 0; i < N; i++) {
        for (j = 0; j < N; j++) {
            mass[i][j] = 0;
        }
    }
    return mass[N][N];
}
int array(int matrix[N][N], int b[M]) {
    int i, j;
    int counter = 0;
    for (i = 1; i < N - 1; i++) {

        for (j = 0; j < N; j++) {
            if (i == 1 || i == 7)
                if (j > 0 && j < N - 1)
                    matrix[i][j] = 0;
                else
                    matrix[i][j] = b[counter++];
            if (i == 2 || i == 6)
                if (j > 1 && j < N - 2)
                    matrix[i][j] = 0;
                else
                    matrix[i][j] = b[counter++];
            if (i == 3 || i == 5)
                if (j > 2 && j < N - 3)
                    matrix[i][j] = 0;
                else
                    matrix[i][j] = b[counter++];
            if (i == 4)
                if (j == 4)
                    matrix[i][j] = 0;
                else
                    matrix[i][j] = b[counter++];
        }


    }
    return matrix[N][N];
}
int main() {

    int matrix[N][N];
    int b[M] = {0};
    int i, j;
    int counter = 0;

    FillArray(b[M]);
    FillArrayWithNull(matrix[N][N]);
    array(matrix[N][N], b[M]);
    print(matrix);
   

    return 0;
}

FillArrayWithNull(matrix[N][N]);
    array(matrix[N][N], b[M]);
    print(matrix);