ZSTUOJ

题目编号	标题	来源/分类	解决	提交
2669	Open Source	Waterloo Local Contest, 2007.7.14	25	42
2670	Antimonotonicity	Waterloo Local Contest, 2007.7.14	18	59
2671	Humidex	Waterloo Local Contest, 2007.7.14	63	169
2672	Tour de France	Waterloo Local Contest, 2007.7.14	19	27
2673	Texas Trip	Waterloo Local Contest, 2007.7.14	6	16