Find index of an extra element present in one sorted array | Returns index of extra . element in arr1 [ ] n is size of arr2 [ ] . Size of arr1 [ ] is n - 1. ; Driver code ; Solve is passed both arrays
def findExtra ( arr1 , arr2 , n ) : NEW_LINE INDENT for i in range ( 0 , n ) : NEW_LINE INDENT if ( arr1 [ i ] != arr2 [ i ] ) : NEW_LINE INDENT return i NEW_LINE DEDENT DEDENT return n NEW_LINE DEDENT arr1 = [ 2 , 4 , 6 , 8 , 10 , 12 , 13 ] NEW_LINE arr2 = [ 2 , 4 , 6 , 8 , 10 , 12 ] NEW_LINE n = len ( arr2 ) NEW_LINE print ( findExtra ( arr1 , arr2 , n ) ) NEW_LINE