← All problemsSign in

Buying Tickets

CodeChefRating 944Open on judge ↗

Chef wants to buy tickets to a sports game for $K$ people (including himself). The sports game has $N$ total seats, numbered $1$ to $N$. The $i$-th seat costs $A_i$ rupees. However, several seats have already been bought, because Chef was late to the task. You are given a binary string $S$, where $S_i = 1$ if the $i$-th seat has already been bought and $S_i = 0$ otherwise. Among the remaining s

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