ivyChen的专栏

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23223    Accepted Submission(s): 10483Problem DescriptionIn many applications very

Problem DescriptionThere is an analog clock with two hands: an hour hand and a minute hand. The two hands form an angle. The angle is measured as the smallest angle between the two hands. The angl

DescriptionInnovation technologies are on a victorious march around the planet. They integrate into all spheres of human activity!A restaurant called "Dijkstra's Place" has started thinking abou

Problem Description为自行解决学费，chx勤工俭学收入10000元以1年定期存入银行，年利率为3.7% 。利率按年计算，表示100元存1年的利息为3.7元.实际上有时提前有时推迟取，因此实际利息按天计算，1年按365天计算，因此Q天的利息是本金*3.7/100 *Q/365存了100天后1年定期年利息提高到3.9%。如将存款提前全取出，再存1年定期。那么前

In Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its name because it delivers to the royal family of Pear

Problem DescriptionExcel可以对一组纪录按任意指定列排序。现请你编写程序实现类似功能。 Input测试输入包含若干测试用例。每个测试用例的第1行包含两个整数 N (行，每行包含一条学生纪录。每条学生纪录由学号（6位数字，同组测试中没有重复的学号）、姓名（不超过8位且不包含空格的字符串）、成绩（闭区间[0, 100]内的整数）组成，每个项

Problem DescriptionProblems in Computer Science are often classified as belonging to a certain class of problems (e.g., NP, Unsolvable, Recursive). In this problem you will be analyzing a property

Problem DescriptionThe doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He

Problem DescriptionFatMouse prepared M pounds of cat food, ready to trade with the cats guarding the warehouse containing his favorite food, JavaBean.The warehouse has N rooms. The i-th room con

Problem DescriptionIn the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the desk, and only one of them wil