题目地址：https://www.acwing.com/problem/content/description/91/ AC代码 总结 ACM的hello world答案参考...
发简信
IP属地：北京
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79. 滑动窗口的最大值
题目地址：https://www.acwing.com/problem/content/75/ AC代码 总结 剑指offer题，貌似是最简单的单调队列应用答案参考：http...
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53. 最小的k个数
题目地址：https://www.acwing.com/problem/content/description/49/ AC代码 make_heap AC代码 priorit...
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56. 从1到n整数中1出现的次数
题目地址：https://www.acwing.com/problem/content/15/ AC代码 总结 答案参考：https://www.cnblogs.com/wm...
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14. 不修改数组找出重复的数字
题目地址：https://www.acwing.com/problem/content/15/ AC代码——O(n)时间复杂度 通常O(nlogn)二分解法 总结 成环链表特...
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93. Restore IP Addresses/复制IP地址
Given a string containing only digits, restore it by returning all possible valid IP ad...
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92. Reverse Linked List II/反转链表 II
Reverse a linked list from position m to n. Do it in one-pass. Note: 1 ≤ m ≤ n ≤ length...
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90. Subsets II/子集 II
Given a collection of integers that might contain duplicates, nums, return all possible...
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89. Gray Code/格雷编码The gray code is a binary numeral system where two successive values differ in only one...
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86. Partition List/分隔链表
Given a linked list and a value x, partition it such that all nodes less than x come be...
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82. Remove Duplicates from Sorted List II/删除排序数组中的重复项 II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only ...
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81. Search in Rotated Sorted Array II/搜索旋转排序数组 II
Suppose an array sorted in ascending order is rotated at some pivot unknown to you befo...
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80. Remove Duplicates from Sorted Array II/删除排序数组中的重复项 II
Given a sorted array nums, remove the duplicates in-place such that duplicates appeared...
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79. Word Search/单词搜索
Given a 2D board and a word, find if the word exists in the grid. The word can be const...
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78. Subsets/子集
Given a set of distinct integers, nums, return all possible subsets (the power set). No...
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77. Combinations/组合
ShareGiven two integers n and k, return all possible combinations of k numbers out of 1...
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75. Sort Colors/颜色分类
Given an array with n objects colored red, white or blue, sort them in-place so that ob...