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(referrence: GeeksforGeeks)Like Merge Sort, Quick Sort is also a divide & conquer problem.It picks an element as pivot and partitions the given array ... 阅读全文
摘要:
QuestionDesign and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get ... 阅读全文
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QuestionImplement the following operations of a queue using stacks.push(x) -- Push element x to the back of queue.pop() -- Removes the element from in... 阅读全文
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QuestionImplement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the element on top of the sta... 阅读全文