Grant Yuan的专栏

HighwaysTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 8855 Accepted: 2467 Special JudgeDescriptionThe island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a v

Out of HayTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 11010 Accepted: 4308DescriptionThe cows have run out of hay, a horrible event that must be remedied immediately. Bessie in

NetworkTime Limit: 1000MS  Memory Limit: 30000K Total Submissions: 13456  Accepted: 5209  Special Judge DescriptionAndrew is working as system administrator and is planning to establish a

Constructing RoadsTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 19278 Accepted: 8020DescriptionThere are N villages, which are numbered from 1 to N, and you should build some roa

Building a Space StationTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 4400 Accepted: 2255DescriptionYou are a member of the space station engineering team, and are assigned a tas

Arctic NetworkTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 9973 Accepted: 3302DescriptionThe Department of National Defence (DND) wishes to connect several northern outposts by