摘要： there are N ACMers in HDU team. ZJPCPC Sunny Cup 2007 is coming, and lcy want to select some excellent ACMers to attend the contest. There have been M 阅读全文

摘要： Two players play a game. The game is played on a rectangular board with n × m squares. At the beginning of the game two different squares of the board 阅读全文

摘要： To confuse the opponents, the Galactic Empire represents fractions in an unusual format. The fractions are represented as two sets of integers. The pr 阅读全文

摘要： Matches Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13264 Accepted: 7712 Description Here is a simple game. In this game, there ar 阅读全文

摘要： Factstone Benchmark Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5577 Accepted: 2524 Description Amtel has announced that it will releas 阅读全文

摘要： Bridge over a rough river POJ - 3404 Bridge over a rough river Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4427 Accepted: 1824 Descript 阅读全文

摘要： Delta-wave HDU - 1030 A triangle field is numbered with successive integers in the way shown on the picture below. The traveller needs to go from the 阅读全文

摘要： DNA Sorting Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 114211 Accepted: 45704 Description One measure of ``unsortedness'' in a sequenc 阅读全文

摘要： Prime Number CodeForces - 359C Simon has a prime number x and an array of non-negative integers a1, a2, ..., an. Simon loves fractions very much. Toda 阅读全文

摘要： Charm Bracelet Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 54588 Accepted: 22773 Description Bessie has gone to the mall's jewelry stor 阅读全文