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Solution: 此题是search inrotateed array 的变形， 多了 duplicate 的情况, 思路相同，但是必须加入duplicate处理， e.x...

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Solution: In a sorted rotated array, half of the elements must be in a sorted sequence....

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Solution1: Dynamic transfer function : dp(cur) = nums[i] + ( dp(prev) > 0 ? dp(prev) : ...

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Tag: array, level : easy Solution: maintain two pointers, one iterate the whole array, ...

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Tag: array, level: easy Solution: Using two pointers, use first pointer to iterate the ...

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3 sum 的变形题 Solution1: sort first, then iterate the array, fix one element, using two po...

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solution 1: sort the array, then fix two,using two pointers, one at the beginning eleme...

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Solution: Sort then using two pointers, one at the beginning element, one at the end el...

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Solution 1: iteration using 2 for loop Time : O(N^2), Space: O(1) class Solution { pub...

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Date: 07/23 , 8/2 1) selection sort [23451] - -> [12345] Solution: Iterate the array, s...

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三天基本学会Java，挑战不可能 Java以其简易性而闻名于世 , 然而市场上大量几百页的厚重书籍会打消初学者的兴趣 不过掌握基本语法，和其他语言一样只需要用三天 在这里假定...