省选算法先挖个坑

http://www.cnblogs.com/zwfymqz/p/8244902.html
by自为风月马前卒
http://blog.youkuaiyun.com/clove_unique/article/details/50630280
http://blog.youkuaiyun.com/clove_unique/article/details/50991804
byClove_unique
http://blog.youkuaiyun.com/niuox/article/details/8018280
by niuox
https://wenku.baidu.com/view/75906f160b4e767f5acfcedb
by YangZhe
http://blog.youkuaiyun.com/the301stdoub/article/details/51030175
http://blog.youkuaiyun.com/the301stdoub/article/details/51073297
by 窝嘞割草
https://wenku.baidu.com/view/4ed87602580102020740be1e650e52ea5518ce6d.html
这是ppt
http://blog.youkuaiyun.com/creatorx/article/details/71100840
by creatorx
https://www.cnblogs.com/shanchuan04/p/5324009.html
by I’MJACKY
https://www.cnblogs.com/candy99/p/6271344.html
by Candy?
http://www.cnblogs.com/Skyminer/p/6358195.html
by sky_miner