| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 7411 | P8364 [COI 2009] IZBORI | 0 / 0 | 8 | |
| 8207 | P9112 [IOI 2009] Archery | 0 / 0 | 9 | |
| 8208 | P9113 [IOI 2009] Hiring | 0 / 0 | 8 | |
| 8209 | P9114 [IOI 2009] POI | 0 / 0 | 3 | |
| 8211 | P9115 [IOI 2009] Garage | 0 / 0 | 5 | |
| 8212 | P9116 [IOI 2009] Mecho | 0 / 0 | 7 | |
| 10070 | P10602 [CEOI 2009] Harbingers | 0 / 0 | 8 | |
| 11098 | P11546 [BalticOI 2009] 糖果机器 (Day1) | 0 / 0 | (无) | |
| 11099 | P11547 [BalticOI 2009] 地铁信号故障(暂无SPJ) (Day1) | 0 / 0 | (无) | |
| 11122 | P11548 [BalticOI 2009] 矩形 (Day2) | 0 / 0 | 8 | |
| 11124 | P11549 [BalticOI 2009] 三角形划分 (Day2) | 0 / 0 | (无) | |
| 11125 | P11550 [BalticOI 2009] 纪念碑 (Day2) | 0 / 0 | (无) | |
| 12923 | P13085 [SCOI2009] windy 数(加强版) | 0 / 0 | 7 | |
| 13238 | P13428 [GCJ 2009 Qualification] Alien Language | 0 / 0 | 3 | |
| 13239 | P13429 [GCJ 2009 Qualification] Watersheds | 0 / 0 | 3 | |
| 13240 | P13430 [GCJ 2009 Qualification] Welcome to Code Jam | 0 / 0 | 5 | |
| 13241 | P13431 [GCJ 2009 #1A] Multi-base happiness | 0 / 0 | 6 | |
| 13242 | P13432 [GCJ 2009 #1A] Crossing the Road | 0 / 0 | 6 | |
| 13243 | P13433 [GCJ 2009 #1A] Collecting Cards | 0 / 0 | 7 | |
| 13244 | P13434 [GCJ 2009 #1B] Decision Tree | 0 / 0 | 6 |