摘要：
The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each hou 阅读全文
摘要：
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo 阅读全文
摘要：
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed. All houses at this place are ar 阅读全文