Solve what you want

CodeChefRating 2688Open on judge ↗

Gleb is trying to solve the **P versus NP** problem, so he is doing some research now. He does not have time to solve boring and easy problems like this one, so he gave it to you. You are given a connected undirected graph with $N$ vertices labelled $1$ through $N$ and a number $K$. You have to solve exactly one of the following two problems or determine that both of them have no solution (if bot

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