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19 lines
472 B
C++
19 lines
472 B
C++
#include <bits/stdc++.h>
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using namespace std;
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struct TreeNode
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{
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int val;
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TreeNode *left;
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TreeNode *right;
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TreeNode() : val(0), left(nullptr), right(nullptr) {}
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TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
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TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
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};
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class Solution
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{
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public:
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int diameterOfBinaryTree(TreeNode *root);
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int height(TreeNode *subroot, int &max_dia);
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bool test(TreeNode *root, int answer);
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}; |