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题目描述 Given an unsorted array, find the maximum difference between the successive elements in its sorted form. Return 0 if the array contains less than 阅读全文
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题目描述 A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a peak element and re 阅读全文
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题目描述 Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2 阅读全文
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题目描述 Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2 阅读全文
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题目描述 Given an input string, reverse the string word by word. 题目大意 输入一个字符串，将字符串中的单词按倒序排列（单词中的字母不要倒叙排列）。 示例 E1 E2 E3 解题思路 遍历一遍字符串即可，遍历过程中保存该遍历位置不为空格的字符， 阅读全文