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 12, a 阅读全文
摘要：
Excel can sort records according to any column. Now you are supposed to imitate this function. Input Each input file contains one test case. For each 阅读全文