Sonamutha Pocha

CodeChefOpen on judge ↗

Problem description. Sonamutha was dealing with an interesting sequence of numbers. Lets call it, "cool sequence". The first number of cool sequence is 2. The second number of cool sequence is 7. The other numbers of "cool sequence" are calculated as follows: If i is odd, Ci = 3*Ci-2 + Ci-1 If i is even, Ci = 7 + Ci-1 Now Sonamutha came up with a problem. Given a number N, if N can be formed

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