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全部文章（共27篇）

题解 | #最小邮票数#

#include <iostream> #include <cstring> using namespace std; const int N = 110, INF = 0x3f3f3f3f; int f[N], w[N]; int main(){ int n; ...

2024-03-13

0 148

题解 | #二叉树遍历#

#include <iostream> using namespace std; string s; int k = 0; void dfs(){ if(s[k] == '#'){ k ++; return; } char ro...

2024-03-13

0 162

题解-队列 | #围圈报数#

#include <iostream> #include <queue> using namespace std; queue<int> q; int main(){ int m; cin >> m; while(m--){ ...

2024-03-12

0 166

题解 | #Problem E#

//debug了好久 #include <iostream> #include <stack> using namespace std; int main(){ int n; stack<char> op; cin>>n; ...

2024-03-12

0 230

题解 | #Problem D#

#include <iostream> using namespace std; void dfs(string pre, string in){ if(pre.empty()) return; char root = pre[0]; int k = in.fi...

2024-03-12

0 167

题解-bfs | #密码锁#

#include <iostream> #include <queue> #include <unordered_map> using namespace std; int n; int bfs(string st){ queue<string>...

2024-03-12

0 210

题解 | #二叉排序树#

#include <iostream> using namespace std; struct Node{ int val; Node *left, *right; Node(int _val):val(_val), left(NULL), right(NULL)...

2024-03-11

0 173