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344.反转字符串 class Solution { public: void reverseString(vector<char>& s) { int left = 0; int right = s.size() - 1; while (left < right) { swap(s[left],s 阅读全文
posted @ 2023-01-18 19:32
MasEne
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第454题.四数相加II class Solution { public: int fourSumCount(vector<int>& nums1, vector<int>& nums2, vector<int>& nums3, vector<int>& nums4) { unordered_map 阅读全文
posted @ 2023-01-17 16:04
MasEne
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day6 242.有效的字母异位词 class Solution { public: bool isAnagram(string s, string t) { std::unordered_map<char,int> ma; for (int i = 0; i < s.size(); ++i) { 阅读全文
posted @ 2023-01-16 15:52
MasEne
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day4 24. 两两交换链表中的节点 /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr) {} 阅读全文
posted @ 2023-01-14 14:24
MasEne
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day3 203.移除链表元素 /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr) {} * Li 阅读全文
posted @ 2023-01-13 14:18
MasEne
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977.有序数组的平方 暴力解 class Solution { public: vector<int> sortedSquares(vector<int>& nums) { for (size_t i = 0; i < nums.size(); ++i) { nums[i] *= nums[i]; 阅读全文
posted @ 2023-01-12 16:16
MasEne
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