| 4518 | P2970 [USACO09DEC] Selfish Grazing S | 11 | 13 | 84.615% |
| 4519 | P1102 A-B 数对 | 1 | 1 | 100.000% |
| 4520 | P1219 [USACO1.5] 八皇后 Checker Challenge | 1 | 1 | 100.000% |
| 4522 | P1443 马的遍历 | 1 | 3 | 33.333% |
| 4523 | P1444 [USACO1.3] 虫洞 wormhole | 0 | 0 | 0.000% |
| 4524 | P1461 [USACO2.1] 海明码 Hamming Codes | 0 | 0 | 0.000% |
| 4525 | P1466 [USACO2.2] 集合 Subset Sums | 2 | 3 | 66.667% |
| 4526 | P1616 疯狂的采药 | 0 | 0 | 0.000% |
| 4527 | P2036 [COCI2008-2009#2] PERKET（普及-） | 1 | 4 | 25.000% |
| 4528 | P2385 [USACO07FEB] Bronze Lilypad Pond B | 1 | 1 | 100.000% |
| 4529 | P2678 [NOIP2015 提高组] 跳石头 | 0 | 0 | 0.000% |
| 4530 | P2739 [USACO4.4] 棋盘游戏Shuttle Puzzle | 0 | 0 | 0.000% |
| 4531 | P2949 [USACO09OPEN] Work Scheduling G | 0 | 0 | 0.000% |
| 4532 | P2968 [USACO09DEC] Bobsledding S | 1 | 1 | 100.000% |
| 4533 | P2970 [USACO09DEC] Selfish Grazing S | 5 | 5 | 100.000% |
| 4534 | P2983 [USACO10FEB] Chocolate Buying S | 5 | 7 | 71.429% |
| 4535 | P3030 [USACO11NOV] Tile Exchanging S | 0 | 0 | 0.000% |
| 4536 | P3040 [USACO12JAN] Bale Share S | 0 | 0 | 0.000% |
| 4537 | P3093 [USACO13DEC] Milk Scheduling S | 0 | 0 | 0.000% |
| 4538 | P3416 [USACO16DEC] Moocast S | 0 | 0 | 0.000% |
| 4539 | P3956 [NOIP2017 普及组] 棋盘 | 0 | 3 | 0.000% |
| 4540 | P3957 [NOIP2017 普及组] 跳房子 | 0 | 0 | 0.000% |
| 4541 | P4089 [USACO17DEC] The Bovine Shuffle S | 0 | 0 | 0.000% |
| 4542 | P5016 [NOIP2018 普及组] 龙虎斗 | 0 | 2 | 0.000% |
| 4543 | P5017 [NOIP2018 普及组] 摆渡车 | 0 | 0 | 0.000% |
| 4544 | P5542 [USACO19FEB] Painting The Barn S | 0 | 0 | 0.000% |
| 4546 | P6140 [USACO07NOV] Best Cow Line S | 1 | 1 | 100.000% |
| 4547 | P6174 [USACO16JAN] Angry Cows S | 0 | 1 | 0.000% |
| 4548 | P6179 [USACO15DEC] High Card Wins S | 1 | 1 | 100.000% |
| 4549 | P6205 [USACO06JAN] Dollar Dayz S | 1 | 1 | 100.000% |
| 4550 | P6208 [USACO06OCT] Cow Pie Treasures G | 1 | 4 | 25.000% |
| 4551 | P6243 [USACO06OPEN] The Milk Queue G | 0 | 0 | 0.000% |
| 4552 | P7074 [CSP-J2020] 方格取数 | 0 | 6 | 0.000% |
| 4559 | 二进制数(number) | 20 | 21 | 95.238% |
| 4568 | P1109 学生分组 | 0 | 0 | 0.000% |
| 4569 | P1111 修复公路 | 0 | 0 | 0.000% |
| 4570 | 喷水装置（二） | 3 | 7 | 42.857% |
| 4571 | 喷水装置（一） | 3 | 3 | 100.000% |
| 4572 | P1115 最大子段和 | 1 | 1 | 100.000% |
| 4573 | P1116 车厢重组 | 0 | 0 | 0.000% |
| 4574 | P1130 红牌 | 0 | 0 | 0.000% |
| 4575 | P1138 第 k 小整数 | 0 | 0 | 0.000% |
| 4576 | P1143 进制转换 | 0 | 0 | 0.000% |
| 4577 | P1145 约瑟夫 | 0 | 0 | 0.000% |
| 4578 | P1146 硬币翻转 | 0 | 0 | 0.000% |
| 4579 | P1147 连续自然数和 | 2 | 3 | 66.667% |
| 4580 | P1162 填涂颜色 | 0 | 0 | 0.000% |
| 4581 | P1163 银行贷款 | 0 | 0 | 0.000% |
| 4582 | P1164 小A点菜 | 0 | 0 | 0.000% |
| 4583 | P1165 日志分析 | 0 | 0 | 0.000% |