Krishna and Stacks

CodeChefOpen on judge ↗

Krishna is playing with stacks. In the beginning of the game, he has an empty stack denoted by number '0'. The game consists of a series of steps. In the ith step of the game, he will choose an existing stack denoted by 'p', copy it (he will create a new copy of it leaving the old one as such) and perform one of the following actions: Action 1: Place a number 'i' on top of the new stack. Action

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