Leetcode Problem 2604. Minimum Time to Eat All Grains

2604. Minimum Time to Eat All Grains

Leetcode Solutions

Sort the arrays hens and grains in non-decreasing order.
Perform a binary search on the time range from 0 to the maximum possible time.
For each time t in the binary search, check if it is possible for the hens to finish all grains within t seconds using the greedy approach.
For the greedy approach, iterate over the sorted hens array and use a pointer g to track the position of the left-most remaining grain.
For each hen, calculate the maximum range [left, right] it can travel within the given time t.
If there is a grain to the left of the hen, determine the optimal strategy to collect it and move forward.
Consume all grains within the range [left, right] and update the grain pointer g.
If all grains are consumed, return true; otherwise, return false.
The binary search narrows down to the minimal time t required for all hens to finish the grains.

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