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mostfrequently专题
Implement a stack that pops out the mostfrequently added item. Stack supports 3 functions – push,
1、问题 Implement a stack that pops out the mostfrequently added item. Stack supports 3 functions – push, pop and top.Givecomplexity of each functions in your implementation 2、算法 实现有两种,一种使用标准库中的ve
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