← All problemsSign in

Lockdown Game - I

Alice and Bob are bored in the lockdown and decide to come up with a game. Bob proposes the following game. Given $N$ coins initially. Players alternate turns. Alice goes first. In each turn, the player can remove - 1 or 2 coins if $N$ is divisible by 3 - 1 or 3 coins if $N-1$ is divisible by 3 - 1 or 2 or 3 coins if $N-2$ is divisible by 3 $N$ refers to the number of co

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

Sign in to chat with the tutor and save your progress.

Sign in to start