Pair of Robots

CodeChefOpen on judge ↗

Vaseegaran introduced his robots to the Indian army. Every robot $i$ has an attack rating of $Ai$ and a defence rating of $Di$. But the problem with the robots is that they can fight in pair only. If a robot $i$ cannot find a pair it will just start taking rest. But they can pair up with a robot for only one day. A robot $i$ cannot pair with robot $j$ if they are previously paired. So Vasee likes

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