Faulty Retention

CodeChefOpen on judge ↗

Indian RAW maintains a track of all its Secret Agents spread across the globe, by maintaining a list of their Fake names in the order of the riskiness of their place of posting. All names are distinct and each name is composed of only lowercase letter ('a'-'z'). The RAW agent, Charlie, who keeps this list secretive, is one day assigned the task of keeping a backup of this list in his brain memor

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