题目组

放苹果问题

http://www.cnblogs.com/hjzhang/archive/2005/07/22/2043611.html

http://www.blogbus.com/erzuoju-logs/153051263.html

http://www.cnblogs.com/DiaoCow/archive/2010/04/16/1713891.html

整数的划分问题

http://www.cnblogs.com/hoodlum1980/archive/2008/10/11/1308493.html

http://blog.csdn.net/sunquana/article/details/9245443

集合的划分

http://www.cnblogs.com/dolphin0520/archive/2011/07/12/2103917.html

http://blog.csdn.net/pony_maggie/article/details/37729745

错排问题

 http://www.cnblogs.com/huashanqingzhu/p/3579948.html

题目组

原文：http://www.cnblogs.com/KakagouLT/p/4479886.html