DescriptionBeing a knight is a very attractive career: searching for the Holy Grail, saving damsels indistress, and drinking with the other knights are fun things to do. Therefore, it is not verysurprising that in recent years the kingdom of King
DescriptionIn order to get from one of the F (1 <= F <= 5,000) grazing fields (which are numbered 1..F) to another field,Bessie and the rest of the herd are forced to cross near the Tree of Rotten Apples. The cows are now tired ofoften being
DescriptionRailway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join along queue…The Lunar New Year was approaching, but unluckily the Little Cat still had schedules going here and there.Now, he had
DescriptionAfter a day trip with his friend Dick, Harry noticed a strange pattern of tiny holes in the door of hisSUV. The local American Tire store sells fiberglass patching material only in square sheets. What is thesmallest patch that Harry needs
DescriptionN children are sitting in a circle to play a game.The children are numbered from 1 to N in clockwise order. Each of them has a card with a non-zero integeron it in his/her hand. The game starts from the K-th child, who tells all the
DescriptionSuppose that the fourth generation mobile phone base stations in the Tampere area operate as follows.The area is divided into squares. The squares form an S * S matrix with the rows and columns numberedfrom 0 to S-1. Each square contains
http://acm.hdu.edu.cn/showproblem.php?pid=4337King Arthur's KnightsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Special JudgeProblem DescriptionI am the bone of my sword. Steel is my body, and the fire is my blood.-