题目: Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors. OJ's undirected graph serialization: Nodes are labeled uniquely. We use # as a separator for each node, and , as a separator for node label and each n…
ID Origin Title 34 / 81 Problem A POJ 3436 ACM Computer Factory 92 / 195 Problem B POJ 3281 Dining 55 / 148 Problem C POJ 1087 A Plug for UNIX 59 / 111 Problem D POJ 2195 Going Home 44 / 132 Problem E POJ 2516 Minimum Cost 35 / 72…