text: Driver code
code: public static void main ( String [ ] args ) { int arr [ ] [ ] = { { 1 , 2 , 1 } , { 1 , 1 , 0 } , { 2 , 1 , 1 } } ; System . out . println ( countWays ( 0 , 0 , arr [ 0 ] [ 0 ] , arr ) ) ; } }