| 2600 | [Ioi2011]ricehub省选 | 0 |
| 2856 | [ceoi2012]Printed Circuit Board省选 | 0 |
| 3112 | [Zjoi2013]防守战线省选 | 3 |
| 3624 | [Apio2008]免费道路省选 | 0 |
| 3880 | 炼辰省选 | 0 |
| 4392 | [Usaco2015 dec]Counting Haybales省选 | 1 |
| 4648 | PI省选 | 0 |
| 4904 | [Ctsc2017]最长上升子序列 省选 | 1 |
| 1065 | [NOI2008]奥运物流省选 | 2 |
| 1577 | [Usaco2009 Feb]庙会捷运Fair Shuttle省选 | 0 |
| 2089 | [Poi2010]Monotonicity省选 | 0 |
| 2345 | [Batic 2011]Vikings省选 | 0 |
| 2601 | [Jsoi2011]同分异构体计数省选 | 0 |
| 2857 | [Ceoi2012]jobs省选 | 0 |
| 3113 | Toy省选 | 0 |
| 3625 | [Codeforces Round #250]小朋友和二叉树省选 | 0 |
| 4393 | [Usaco2015 Dec]Fruit Feast省选 | 0 |
| 4905 | [Ctsc2017]投影省选 | 0 |
| 1066 | [SCOI2007]蜥蜴省选 | 2 |
| 1578 | [Usaco2009 Feb]Stock Market 股票市场省选 | 0 |
| 2090 | [Poi2010]Monotonicity 2省选 | 0 |
| 2346 | [Baltic 2011]Lamp省选 | 0 |
| 2602 | [Ctsc2010杀菌计划]省选 | 0 |
| 2858 | [Ceoi2012]network省选 | 0 |
| 3114 | Uva12546 Lcm Pair Sum省选 | 0 |
| 3626 | [LNOI2014]LCA省选 | 0 |
| 3882 | [Wc2015]K小割省选 | 0 |
| 4394 | [Usaco2015 dec]Bessie省选 | 0 |
| 4650 | [Noi2016]优秀的拆分省选 | 2 |
| 4906 | [BeiJing2017]喷式水战改省选 | 0 |
| 1067 | [SCOI2007]降雨量省选 | 4 |
| 1579 | [Usaco2009 Feb]Revamping Trails 道路升级省选 | 1 |
| 2091 | [Poi2010]The Minima Game省选 | 0 |
| 2347 | [Baltic2011]Meetings省选 | 0 |
| 2603 | [Poi2003]Motorways省选 | 0 |
| 2859 | [Ceoi2012]Sailing Race省选 | 0 |
| 3115 | cerc2012 chemist省选 | 0 |
| 3627 | [JLOI2014]路径规划省选 | 0 |
| 3883 | [Wc2015]混淆与破解省选 | 0 |
| 4395 | [Usaco2015 dec]Switching on the Lights省选 | 0 |
| 4651 | [Noi2016]网格省选 | 0 |
| 4907 | [BeiJing2017]同构省选 | 0 |
| 1068 | [SCOI2007]压缩省选 | 1 |
| 1580 | [Usaco2009 Hol]Cattle Bruisers 杀手游戏省选 | 1 |
| 2092 | [Poi2010]Lamp省选 | 0 |
| 2348 | [Baltic 2011]Plagiarism省选 | 0 |
| 2604 | [Poi2003]Mastermind II省选 | 0 |
| 2860 | [Ceoi2012]wagons省选 | 0 |
| 3116 | 登顶计划省选 | 0 |
| 3628 | [JLOI2014]天天酷跑省选 | 0 |
