| 6288 | 字符串的匹配 | 未定级 | | | | | | | |
| 6291 | 税额返还 | 未定级 | | | | | | | |
| 6293 | 最长不下降子序列 | 未定级 | | | | | | | |
| 6294 | 分数 | 未定级 | | | | | | | |
| 6295 | 排名 | 未定级 | | | | | | | |
| 6296 | 排列 | 未定级 | | | | | | | |
| 6500 | 电路维修 | 未定级 | | | | | | | |
| 6501 | 魔板 | 未定级 | | | | | | | |
| 6504 | Keyboarding | 未定级 | | | | | | | |
| 6505 | 移动玩具 | 未定级 | | | | | | | |
| 6506 | 山峰和山谷 | 未定级 | | | | | | | |
| 6507 | 数的划分 | 未定级 | | | | | | | |
| 6508 | 生日蛋糕 | 未定级 | | | | | | | |
| 6509 | 小木棍 | 未定级 | | | | | | | |
| 6510 | Addition Chains | 未定级 | | | | | | | |
| 6511 | 埃及分数 | 未定级 | | | | | | | |
| 6513 | 素数方阵 | 未定级 | | | | | | | |
| 6514 | 靶形数独 | 未定级 | | | | | | | |
| 6515 | 愤怒的牛 | 未定级 | | | | | | | |
| 6516 | Best Cow Fences | 未定级 | | | | | | | |
| 6517 | 曲线 | 未定级 | | | | | | | |
| 6518 | 数列分段II | 未定级 | | | | | | | |
| 6519 | 扩散 | 未定级 | | | | | | | |
| 6520 | 灯泡 | 未定级 | | | | | | | |
| 6521 | 传送带 | 未定级 | | | | | | | |
| 6522 | 活动安排 | 未定级 | | | | | | | |
| 6523 | 种树 | 未定级 | | | | | | | |
| 6524 | 喷水装置 | 未定级 | | | | | | | |
| 6525 | 加工生产调度 | 未定级 | | | | | | | |
| 6526 | 智力大冲浪 | 未定级 | | | | | | | |
| 6527 | 数列极差 | 未定级 | | | | | | | |
| 6528 | 数列分段 | 未定级 | | | | | | | |
| 6529 | 线段 | 未定级 | | | | | | | |
| 6531 | 钓鱼 | 未定级 | | | | | | | |
| 6532 | 糖果传递 | 未定级 | | | | | | | |
| 6533 | Oulipo | 未定级 | | | | | | | |
| 6534 | 图书管理 | 未定级 | | | | | | | |
| 6535 | Power Strings | 未定级 | | | | | | | |
| 6536 | Seek the Name,Seek the Fame | 未定级 | | | | | | | |
| 6537 | Friends | 未定级 | | | | | | | |
| 6538 | A Horrible Poem | 未定级 | | | | | | | |
| 6539 | Beads | 未定级 | | | | | | | |
| 6540 | Antisymmetry | 未定级 | | | | | | | |
| 6541 | 门票 | 未定级 | | | | | | | |
| 6542 | 收集雪花 | 未定级 | | | | | | | |
| 6543 | 剪花布条 | 未定级 | | | | | | | |
| 6544 | Power Srtrings | 未定级 | | | | | | | |
| 6545 | Radio Transmission | 未定级 | | | | | | | |
| 6546 | OKR-Periods of Words | 未定级 | | | | | | | |
| 6547 | 似乎在梦中见过的样子 | 未定级 | | | | | | | |