LUCKY NUMBERS

CodeChefOpen on judge ↗

Chef Neel is very superstitious. He considers only those number lucky for him in which the difference between two consecutive digits is exactly one. Chef is curious to know how many lucky numbers containing exactly N digits exist .Therefore Chef gives his apprentice a task i.e. Given an integer N, find the number of all N digits lucky numbers. Input The first line of input contains a single inte

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI