aboutsummaryrefslogtreecommitdiff
path: root/store/works/solutions/leetcode/cpp/543.cpp
diff options
context:
space:
mode:
authorYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
commit99e2e923d0c77b02f3fb4ff648ea916954868606 (patch)
treeec8e03f6f2cd1ce43990fb4fe6cd631967d0237e /store/works/solutions/leetcode/cpp/543.cpp
parent1cee979f5d36b311a03cc7397a036ba11caf3d42 (diff)
downloadcrupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.gz
crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.bz2
crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.zip
chore(store): move everything to store.
Diffstat (limited to 'store/works/solutions/leetcode/cpp/543.cpp')
-rw-r--r--store/works/solutions/leetcode/cpp/543.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/543.cpp b/store/works/solutions/leetcode/cpp/543.cpp
new file mode 100644
index 0000000..f782521
--- /dev/null
+++ b/store/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);
+ }
+};