Netcoin Verification

CodeChefOpen on judge ↗

Due to demonetization, normal people went to ATMs for fetching cash, while some opted for cashless transactions. Many people have already started using **netcoins**. In netcoins, each transaction is represented by a block. For a transaction to be accepted, its block has to be added to a chain of verified blocks. The coder of netcoin is very suspicious, so when a new block is added to the verified

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