895. Maximum Frequency Stack
Design a stack-like data structure to push elements to the stack and pop the most frequent element from the stack. Implement the FreqStack class: - FreqStack() constructs an empty frequency stack. - void push(int val) pushes an integer val onto the top of the stack. - int pop() removes and returns the most frequent element in the stack. - If there is a tie for the most frequent element, the e
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solution.cppC++17
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