| 1401 | Hexagon省选 | 0 |
| 1402 | Ticket to Ride省选 | 0 |
| 1403 | Divisibility Testing! Wow!省选 | 0 |
| 1404 | Cash省选 | 0 |
| 1405 | 最小球覆盖省选 | 0 |
| 1406 | [AHOI2007]密码箱省选 | 0 |
| 1407 | [Noi2002]Savage省选 | 0 |
| 1408 | [Noi2002]Robot省选 | 0 |
| 1409 | Password省选 | 0 |
| 1410 | Uva10605 Mines For Diamonds省选 | 0 |
| 1411 | [ZJOI2009]硬币游戏省选 | 0 |
| 1412 | [ZJOI2009]狼和羊的故事省选 | 0 |
| 1413 | [ZJOI2009]取石子游戏省选 | 0 |
| 1414 | [ZJOI2009]对称的正方形省选 | 0 |
| 1415 | [Noi2005]聪聪和可可省选 | 0 |
| 1416 | [NOI2006]神奇的口袋省选 | 0 |
| 1417 | Pku3156 Interconnect省选 | 0 |
| 1418 | LastMarble省选 | 0 |
| 1419 | Red is good省选 | 0 |
| 1420 | Discrete Root省选 | 3 |
| 1421 | A Modular Arithmetic Challenge省选 | 0 |
| 1422 | 王者归来省选 | 0 |
| 1423 | Optimus Prime省选 | 0 |
| 1424 | Appear省选 | 0 |
| 1425 | SGU 421 k-th Product省选 | 0 |
| 1426 | 收集邮票省选 | 0 |
| 1427 | Unequalled Consumption省选 | 0 |
| 1428 | Christopher省选 | 0 |
| 1429 | 方程的解省选 | 0 |
| 1430 | 小猴打架省选 | 0 |
| 1431 | MLand省选 | 0 |
| 1432 | [ZJOI2009]Function省选 | 0 |
| 1433 | [ZJOI2009]假期的宿舍省选 | 0 |
| 1434 | [ZJOI2009]染色游戏省选 | 0 |
| 1435 | [ZJOI2009]多米诺骨牌省选 | 0 |
| 1436 | Poi2003 Trinomial省选 | 0 |
| 1437 | Sgu325Palindrome省选 | 0 |
| 1438 | [Cerc2008]Business Cards省选 | 0 |
| 1439 | YY的问题省选 | 0 |
| 1440 | Math省选 | 0 |
| 1441 | Min省选 | 0 |
| 1442 | [Poi2006]Crystal省选 | 0 |
| 1443 | [JSOI2009]游戏Game省选 | 2 |
| 1444 | [Jsoi2009]有趣的游戏省选 | 0 |
| 1445 | Pku3245 Sequence Partitioning省选 | 0 |
| 1446 | Monotonic省选 | 0 |
| 1447 | Moving the Hay省选 | 0 |
| 1448 | woj1350 Necklace省选 | 0 |
| 1449 | [JSOI2009]球队收益省选 | 0 |
| 1450 | SPOJ 11414. Color over a tree省选 | 0 |
