/*
Program to calculate determinant of a 2X2 matrix
*/

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

int main()
{
    printf("Enter the matrix: ");
    int i, mat[2][2],j;
    
    for(i=0;i<2;i++)
       for(j=0;j<2;j++)
     	  scanf("%d",&mat[i][j]);
     
    int det;
    det=mat[0][0]*mat[1][1]-(mat[0][1]*mat[1][0]);
    
    printf("Det = %d", det);
    
    system("PAUSE");
}