3D Matrix Sum | Hard | |||
All digits distinct | Medium | |||
All digits have same parity | Easy | |||
Alternating parity | Medium | |||
Append digit to number | Easy | |||
Array Sum, Max and Min | Medium | |||
At least two even digits | Easy | |||
At least two odd digits | Easy | |||
Basic Arithmetic Operations | Easy | |||
Count distinct digits | Medium | |||
Count even-odd consecutive pairs | Medium | |||
Count increasing consecutive pairs | Medium | |||
Count occurrences of maximum digit | Medium | |||
Count occurrences of minimum digit | Medium | |||
Count pairs with even product | Medium | |||
Count pairs with prime sum | Hard | |||
Count peaks | Hard | |||
Count valleys | Hard | |||
Delete digit at position p from left | Easy | |||
Delete digit at position p from left with validation | Easy |