Driver program to test above functions
int main ( ) { int mat [ SIZE ] [ SIZE ] = { { 1 , 2 , -1 , -4 } , { -8 , -3 , 4 , 2 } , { 3 , 8 , 10 , 1 } , { -4 , -1 , 1 , 7 } } ; int n = 4 , k = 5 ; findLargestSubmatrix ( mat , n , k ) ; return 0 ; }