Maximum Frequency Stack

operations=[FreqStack, push, push, push, push, push, push, pop, pop, pop, pop],values=[null, 5, 7, 5, 7, 4, 5, null, null, null, null]

Operation

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Result

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algomaster.io

Step:Initialize FreqStack: empty freq map, empty frequency stacks, maxFreq = 0

0 / 65

operations=[FreqStack, push, push, push, push, push, push, pop, pop, pop, pop],values=[null, 5, 7, 5, 7, 4, 5, null, null, null, null]

0 / 65

algomaster.io

Step:Initialize FreqStack: empty freq map, empty frequency stacks, maxFreq = 0