摘要：
题目描述： A long-distance telephone company charges its customers by the following rules: Making a long-distance call costs a certain amount per minute, d 阅读全文
摘要：
题目描述： The task is really simple: given N exits on a highway which forms a simple cycle, you are supposed to tell the shortest distance between any pai 阅读全文
摘要：
题目大意： With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams do 阅读全文
摘要：
题目描述： This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: K N1 aN1 N2 aN2 ... NK aNK where K i 阅读全文
摘要：
题目描述： The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors th 阅读全文
摘要：
题目描述： At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock th 阅读全文
摘要：
题目描述： This time, you are supposed to find A+B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each cas 阅读全文
摘要：
题目描述： Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are le 阅读全文
摘要：
（20）PAT甲级 1001 A+B Format（模拟 字符串） （25）PAT甲级 1002 A+B for Polynomials（模拟 多项式加法 map） （25）PAT甲级 1003 Emergency（DFS vector） （30）PAT甲级 1004 Counting Leaves 阅读全文