POJ 1321 棋盘问题(DFS板子题，简单搜索练习)
棋盘问题 Time Limit: 1000MS Memory Limit: 10000K Total Sub ...
花费 86 ms
POJ 3624 Charm Bracelet(01背包裸题)
Charm Bracelet Time Limit: 1000MS Memory Limit: 65536K ...
POJ 1741 Tree(树的点分治，入门题)
Tree Time Limit: 1000MS Memory Limit: 30000K Total Sub ...