#include<stdio.h>
void main()
{
    int a[3][3],i,j;
    long determinant;
    printf("Enter the 3*3 elements of matrix: ");
    for(i=0; i<3; i++)
        for(j=0; j<3; j++)
            scanf("%d",&a[i][j]);
    printf("\n Matrix is\n");
    for(i=0; i<3; i++)
        {
            printf("\n");
            for(j=0; j<3; j++)
                printf("%d\t",a[i][j]);
        }
    determinant = a[0][0]*((a[1][1]*a[2][2]) - (a[2][1]*a[1][2])) -a[0][1]*(a[1][0]*a[2][2] - a[2][0]*a[1][2]) + a[0][2]*(a[1][0]*a[2][1] - a[2][0]*a[1][1]);
    printf("\nDeterminant of 3X3 matrix: %ld",determinant);
}