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题解 | #【模板】单源最短路2#

# include<iostream> # include<vector> # include<queue> # include<algorithm> # include<cstdio> using namespace std; cons...

C++ spfa 单源最短路模板无向图

2022-06-09

1 325

题解 | #【模板】单源最短路1#

# include<iostream> # include<vector> # include<queue> using namespace std; const int N = 5001; int n, m; int dist[N]; bool vis[N]...

C++ spfa

2022-06-09

0 390

题解 | #Sudoku#

# include<iostream> # include<vector> using namespace std; vector<vector<int>> sudoku(9, vector<int>(9, 0)); vector<...

C++ 深度优先搜索回溯数独

2022-06-08

0 261

题解 | #字符串分隔#

# include<stdio.h> # include<unordered_map> # include<vector> # include<string.h> using namespace std; // 方法一：聪明的方法，调用函数更快乐~...

C++

2022-05-15

0 286

题解 | #明明的随机数#

# include<stdio.h> # include<unordered_map> # include<vector> using namespace std; int main(){ unordered_map<int, int> m...

C++ 哈希表

2022-05-15

0 225

题解 | #判断是不是完全二叉树#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 516

题解 | #判断是不是二叉搜索树#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 379

题解 | #二叉树的镜像#

* struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * ...

C++ 二叉树

2022-03-06

0 322

题解 | #对称的二叉树#

struct TreeNode { int val; struct TreeNode *left; struct TreeNode *right; TreeNode(int x) : val(x), left(NULL), right(NULL...

C++ 二叉树

2022-03-06

0 317

题解 | #二叉树中和为某一值的路径(一)#

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

C++ 二叉树

2022-03-06

0 263