Leetcode Problem 621. Task Scheduler

621. Task Scheduler

Leetcode Solutions

Initialize an array frequencies of size 26 to zero, to store the frequency of each task (since there are at most 26 tasks represented by uppercase English letters).
Iterate over the input tasks array and increment the corresponding frequency in the frequencies array.
Sort the frequencies array in descending order.
Calculate the initial maximum idle time as (frequencies[0] - 1) * n, where frequencies[0] is the frequency of the most common task.
Iterate over the sorted frequencies array starting from the second element. For each frequency f, decrease the idle time by min(frequencies[0] - 1, f).
Ensure that the idle time does not go below zero.
The total time taken is the sum of the length of the tasks array and the calculated idle time.
Return the total time taken.

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