C Program to Find Determinant of 2x2 Matrix

Question: Write a program in C to find determinant of 2 x 2 matrix.

#include<stdio.h>

int main()
{
 float a[2][2], det;
 int i,j;
 
 
 /* Input Part */
 printf("Enter 2 x 2 matrix:\n");
 for(i=0;i< 2;i++)
 {
  for(j=0;j< 2;j++)
  {
   printf("a[%d][%d]=",i,j);
   scanf("%f",&a[i][j]);
  }
 }
 
 det = a[0][0]*a[1][1] - a[1][0]*a[0][1];
 
 /* Displaying Output */
 printf("Determinant is %f",det);
 
}