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class Solution { public: int leastBricks(vector<vector<int>>& wall) { unordered_map<int,int> un_map; if(wall.size()==0) return 0; for(int i = 0; i < w 阅读全文
posted @ 2021-08-13 20:13
三一一一317
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参考： https://leetcode-cn.com/problems/combination-sum-ii/solution/hui-su-suan-fa-jian-zhi-python-dai-ma-java-dai-m-3/ class Solution { public: vector<v 阅读全文
posted @ 2021-08-13 17:43
三一一一317
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class Solution { public: vector<vector<int>> res; vector<vector<int>> permuteUnique(vector<int>& nums) { vector<int> temp; for(int i = 0; i < nums.siz 阅读全文
posted @ 2021-08-13 16:14
三一一一317
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/** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode() : val(0), left(nullptr), rig 阅读全文
posted @ 2021-08-13 13:39
三一一一317
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思想很重要 class Solution { public: void solve(vector<vector<char>>& board) { int m = board.size(); int n = board[0].size(); // 从边缘开始，因为四周肯定不被包围，和四周O联通的先调用 阅读全文
posted @ 2021-08-13 12:04
三一一一317
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