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Til the Cows Come HomeTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 65500 Accepted: 22064DescriptionBessie is out in the field and wants to get back to the barn to get as much sleep as pos...

ArbitrageTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 26573 Accepted: 11203DescriptionArbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency ...

Cow ContestTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 14489 Accepted: 8119DescriptionN (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we ...

WormholesTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 59439 Accepted: 22218DescriptionWhile exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole ...

Currency ExchangeTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 34789 Accepted: 13350DescriptionSeveral currency exchange points are working in our city. Let us suppose that each point spec...

Silver Cow PartyTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 26748 Accepted: 12232DescriptionOne cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the ...

CandiesTime Limit: 1500MS Memory Limit: 131072KTotal Submissions: 35568 Accepted: 9998DescriptionDuring the kindergarten days, flymouse was the monitor of his class. Occasionally the head-teacher brou...

FroggerTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 54887 Accepted: 17298DescriptionFreddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sittin...

1003 Emergency（25 分）As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams ...