摘要： 1 /** 2 * Definition for undirected graph. 3 * struct UndirectedGraphNode { 4 * int label; 5 * vector neighbors; 6 * UndirectedGraphNode(int x) : label(x) {}; 7 * }; 8 */ 9 class Solution {10 public:11 12 UndirectedGraphNode *cloneGraph(UndirectedGraphNode *node, unordered_ma... 阅读全文