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main.cpp
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main.cpp
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/// Source : https://leetcode.com/problems/maximum-depth-of-n-ary-tree/description/
/// Author : liuyubobobo
/// Time : 2018-10-03
#include <iostream>
#include <vector>
using namespace std;
/// DFS
/// Time Complexity: O(n)
/// Space Complexity: O(n)
/// Definition for a Node.
class Node {
public:
int val;
vector<Node*> children;
Node() {}
Node(int _val, vector<Node*> _children) {
val = _val;
children = _children;
}
};
class Solution {
public:
int maxDepth(Node* root) {
if(!root)
return 0;
int res = 1;
for(Node* child: root->children)
res = max(res, 1 + maxDepth(child));
return res;
}
};
int main() {
return 0;
}