摘要：
A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a progra 阅读全文
摘要：
Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } is 1 阅读全文
摘要：
Excel can sort records according to any column. Now you are supposed to imitate this function. Input Specification: Each input file contains one test 阅读全文