Call Me Maybe

CodeChefOpen on judge ↗

Would you believe me if I told you that long ago, during the dark ages of cellular messaging, people used to type messages without a full keyboard? I know, right? It might be hard to believe, but it's true. People then used to type using the number pad alone, with each key corresponding to a few letters of the alphabet, numbers, or punctuation marks. For example, the 2 key would be ABC, meaning

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