← All problemsSign in

Happy Days

CodeChefRating 2105Open on judge ↗

Johnny has a pool in his garden. There are several islands in the pool. Some islands are connected by bridges. Any bridge can be removed. Every day Johnny removes some bridges so that there is only one way from any island to any other. In the evening he returns removed bridges to their places. Also he has some favorite bridges which he never removes. Johnny will be happy if he is able to make a 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