Score High

CodeChefRating 672Open on judge ↗

Chef is taking a tough examination. The question paper consists of $N$ objective problems and each problem has $4$ options $A, B, C,$ and $D$, out of which, **exactly one** option is correct. Since Chef did not study for the exam, he does not know the answer to any of the problems. Chef was looking nearby for help when his friend somehow communicated the following information: - Exactly $N_A$ pr

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