Bugged Days

CodeChefOpen on judge ↗

There are $N$ bugs in a program and you want to remove all of them. There are $M$ groups the bugs can be categorised in (one bug may be in multiple groups). You can pay a specialised programmer to remove all bugs in group $i$ for a cost of $C_i$. (you need to pay the whole price even if some bugs are already cleared from that group) You are given a matrix where $M_{ij}$ is 1 if bug $j$ is

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