Naughty and Balls

CodeChefOpen on judge ↗

Mr. Naughty likes to play with balls. So his friend, Mr Nice, gave him n balls to play a game. Each ball has exactly two numbers (the number on the top and the number on the bottom). In one move Mr Naughty can rotate any ball so that its bottom now becomes the top. Mr Nice knows the minimum number of such moves that can make at least half of the balls show same number on their top. So to win

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