ssf_cxdm的博客

1030 Travel Plan A traveler’s map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a program to help a traveler to decide th...

1026 Table Tennis A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables open when they arrive, they will be a...

1018 Public Bike Management There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at any station and return it t...

1053 Path of Equal Weight 题目链接 Given a non-empty tree with root R, and with weight W​i ​​ assigned to each tree node T​i ​​ . The weight of a path from R to L is defined to be the sum of the weights ...