← All problemsSign in

Flipping Failure

CodeChefRating 2056Open on judge ↗

Chef has a binary string $S$ with him and he wants to modify it using the following two types of operations - - Type 1 : Choose any two indices $i$ and $j$ such that $1 \leq i, j \leq |S|$ and swap $S_i$ and $S_j$. This operation costs $1$ rupee and can be performed any number of times. - Type 2 : Choose any prefix of length $i$, where $1 \leq i \leq |S|$, and reverse this prefix of the binary

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