Driver code
arr1 = [ 1 , 5 , 7 , 2 , 9 , 14 ] NEW_LINE print ( int ( numOfCombinations ( arr1 , 6 ) ) ) NEW_LINE arr2 = [ 3 , 6 , 9 , 12 ] NEW_LINE print ( int ( numOfCombinations ( arr2 , 4 ) ) ) NEW_LINE