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| author | Yuqian Yang <crupest@crupest.life> | 2025-02-12 15:55:21 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-12 16:04:50 +0800 |
| commit | 77e6cdc863d2cbd9df578a665804daf28d8593fe (patch) | |
| tree | 62c9f3e071d8d1d6fe125fe801907db11784332e /works/solutions/leetcode/cpp/543.cpp | |
| parent | 10eb95869601e145b1d8bc909424777c25752d51 (diff) | |
| parent | a557fa36a22c5ef4a29da596ee1e3aa10be55984 (diff) | |
| download | crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.gz crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.bz2 crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.zip | |
import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/543.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/543.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/543.cpp b/works/solutions/leetcode/cpp/543.cpp new file mode 100644 index 0000000..f782521 --- /dev/null +++ b/works/solutions/leetcode/cpp/543.cpp @@ -0,0 +1,32 @@ +struct TreeNode {
+ int val;
+ TreeNode *left;
+ TreeNode *right;
+ TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+};
+
+#include <algorithm>
+
+class Solution {
+public:
+ int diameterOfBinaryTree(TreeNode *root) {
+ int max = 0;
+ depth(root, max);
+ return max;
+ }
+
+ static int depth(TreeNode *root, int &max) {
+ if (root == nullptr)
+ return -1;
+
+ auto left = depth(root->left, max) + 1;
+ auto right = depth(root->right, max) + 1;
+
+ auto current_max = left + right;
+ if (current_max > max) {
+ max = current_max;
+ }
+
+ return std::max(left, right);
+ }
+};
|