摘要：
1 """ 2 You have N gardens, labelled 1 to N. In each garden, you want to plant one of 4 types of flowers. 3 paths[i] = [x, y] describes the existence 阅读全文
摘要：
1 """ 2 In a town, there are N people labelled from 1 to N. There is a rumor that one of these people is secretly the town judge. 3 If the town judge 阅读全文