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题目链接:[普通二叉树(简化版)](https://www.luogu.com.cn/problem/P5076) ```cpp #include template class ThreadedBinaryTreeNode { public: T data; int count; ThreadedB 阅读全文
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## 求强连通分量: ```cpp #include using namespace std; int main() { int n, m; scanf("%d%d", &n, &m); vector> adj(n + 1); for (int i = 0; i dfn(n + 1); // dfs 阅读全文
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```cpp #include using namespace std; int main() { int n, m, s; scanf("%d%d%d", &n, &m, &s); int N = 20; vector> adj(n + 1); for (int i = 1; i dep(n + 阅读全文
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## 二维数组分配: ```cpp #include int main() { int rows = 3; int cols = 4; // 使用二级指针创建一个动态分配的二维数组 int **array = new int*[rows]; for (int i = 0; i #include in 阅读全文