摘要：问题描述Given an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/sp... 阅读全文

摘要：Sort a linked list using insertion sort.解法：Well, life gets difficult pretty soon whenever the same operation on array is transferred to linke... 阅读全文

摘要：Given an integer, write a function to determine if it is a power of three.Follow up: Could you do it without using any loop / recursion?解决方法：... 阅读全文