← All problemsSign in

AND OR Conversion 1

CodeChefRating 1678Open on judge ↗

**This is the first version of the problem. Here, you only need to output whether the pair of strings is good.** A pair of strings $A$ and $B$, both of length $N$, are said to be good if $A$ can be converted to $B$ by using either of the following operations multiple times: - Choose an index $i$ ($1 \le i < N$), update $A_i$ and $A_{i + 1}$ both to $A_i | A_{i + 1}$. - Choose an index $i$ ($1 \l

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

Sign in to chat with the tutor and save your progress.

Sign in to start