Even binary sum

CodeChefOpen on judge ↗

Rahul got a job at a library and it was his turn to arrange all the books in proper way. Now in order to determine the books that are not available or taken by someone they decided a way they will arrange the books in such a way that one section will have books in which no of 1's in binary representation is even an in another section it is odd, they then will take the sum of all the digits of book

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