#3692
Majority Frequency Characters
pupil · 330 · lc easy +22 · 67.1% accepted · 51 likes · top 73%
Description
A lowercase string s is given. Group characters by their occurrence count: the frequency group for value k contains all characters appearing exactly k times. Find the group with the most distinct characters; break ties by choosing the group with the higher frequency k. Return its characters in any order.
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