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题解 | #寻找第K大#

class Solution { public: vector<int> num; int res; void find(int l, int r, int k) { int pivot = num[l]; int rr = r; ...

2023-02-12

0 259

题解 | #最小的K个数#

#include <queue> #include <vector> class Solution { public: priority_queue<int> q; vector<int> ans; vector<int...

2023-02-12

0 231

题解 | #滑动窗口的最大值#

#include <vector> class Solution { public: vector<int> ans; queue<int> q; vector<int> myMax; int idx; vect...

2023-02-12

0 282

题解 | #有效括号序列#

#include <stack> class Solution { public: /** * * @param s string字符串 * @return(756076230) bool布尔型 */ map<char,c...

2023-02-12

0 281

题解 | #包含min函数的栈#

class Solution { public: void push(int value) { if(myMin.empty()){ myMin.push(value); } if(myMin.top()>valu...

2023-02-12

0 247

题解 | #用两个栈实现队列#

class Solution { public: void push(int node) { stack1.push(node); } int pop() { if(!stack2.empty()){ int valu...

2023-02-12

0 222

题解 | #输出二叉树的右视图#

#include <iterator> #include <vector> class Solution { public: /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * 求二叉树的右视图 * ...

2023-02-12

0 262

题解 | #重建二叉树#

/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * }; */ #include <vector>...

2023-02-12

0 240

题解 | #在二叉树中找到两个节点的最近公共祖先#

/** * struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * }; */ class Solution { public: /** * * @...

2023-02-12

0 231

题解 | #二叉树的最大深度#

/** * struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * }; */ class Solution { public: /** * * @...

2023-02-11

0 239