1001 Monitor the Alpacas
1002 The Relationship in Club
1003 Difference of Clustering
1004 Difference of Languages
1005 Shape
1006 Removed Interval
1007 Simple Matrix
1008 The Next
1009 Find a path
1010 Queue
2015 ACM/ICPC Asia Regional Hefei Online
原文：http://www.cnblogs.com/Aguin/p/4845141.html
