Ancient Berland Roads

CodeChefRating 2324Open on judge ↗

In Ancient Berland, there were N towns, along with M bidirectional roads connecting them. With time, some roads became unusable, and nobody repaired them. As a person who is fond of Ancient Berland history, you now want to undertake a small research study. For this purpose, you want to write a program capable of processing the following kinds of queries: - D K : meaning that the road numbered K

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