POJ 1321 棋盤問題(DFS板子題，簡單搜索練習)

棋盤問題 Time Limit: 1000MS Memory Limit: 10000K Total Sub ...

POJ 3624 Charm Bracelet(01背包裸題)

Charm Bracelet Time Limit: 1000MS Memory Limit: 65536K ...

POJ 1741 Tree(樹的點分治，入門題)

Tree Time Limit: 1000MS Memory Limit: 30000K Total Sub ...