Description These are N cities in Spring country. Between each pair of cities there may be one transportation track or none. Now there is some cargo that should be delivered from one city to another. The transportation fee consists of two parts: The
此题需要时间更少,控制时间很要,这个题目要多多看, Ignatius and the Princess I Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9910 Accepted Submission(s): 2959 Special Judge Problem Description The Princess has b