[NOIP2013]货车运输

Grade Open Time Friday, 19 September 2014, 10:07 am
Discount 0.8 Time Discount Friday, 26 September 2014, 10:07 am
Allow late Yes Close Time Friday, 26 September 2014, 10:07 am
Input file truck.in Output file truck.out

【题目描述】


【来源】

CCF全国信息学奥林匹克联赛(NOIP2013)复赛Day1