| 8538 | Hacker | 1 | 1 | 100.0% |
| 8539 | link with Nim Game | 1 | 1 | 100.0% |
| 8540 | Ice Drinking | 1 | 5 | 20.0% |
| 8541 | AC/DC | 0 | 1 | 0.0% |
| 8542 | Array | 0 | 1 | 0.0% |
| 8543 | Cube Rotate | 0 | 2 | 0.0% |
| 8544 | Bragging Dice | 1 | 1 | 100.0% |
| 8545 | Kazuha's String | 1 | 2 | 50.0% |
| 8546 | Buy Figurines | 1 | 1 | 100.0% |
| 8547 | Multiply 2 Divide 2 | 1 | 2 | 50.0% |
| 8548 | Journey | 1 | 2 | 50.0% |
| 8549 | Hack of Multiply 2 Divide 2 | 0 | 0 | 0.0% |
| 8550 | Find the Number of Paths | 1 | 2 | 50.0% |
| 8551 | Yet Another Easy Permutation Count Problem | 1 | 1 | 100.0% |
| 8552 | Yet Another Easy Function Sum Problem | 0 | 2 | 0.0% |
| 8553 | Maex | 1 | 1 | 100.0% |
| 8554 | Shinobu loves trip | 1 | 1 | 100.0% |
| 8555 | Shinobu Loves Segment Tree | 1 | 1 | 100.0% |
| 8556 | Map | 0 | 3 | 0.0% |
| 8557 | Planar graph | 1 | 1 | 100.0% |
| 8558 | Find different | 1 | 2 | 50.0% |
| 8559 | Loop | 1 | 2 | 50.0% |
| 8560 | Eezie and Pie | 2 | 2 | 100.0% |
| 8561 | Forest | 1 | 2 | 50.0% |
| 8562 | Fourier and Theory for the Universe | 1 | 4 | 25.0% |
| 8563 | Floor Tiles in a Park | 0 | 0 | 0.0% |
| 8564 | Rotate Sum 3 | 0 | 3 | 0.0% |
| 8565 | Constructive Problems Never Die | 0 | 3 | 0.0% |
| 8566 | The Pool | 0 | 1 | 0.0% |
| 8567 | X-Sums Sudoku | 1 | 1 | 100.0% |
| 8568 | Patrick's Parabox | 0 | 8 | 0.0% |
| 8569 | Puzzle: Hearthstone | 1 | 1 | 100.0% |
| 8570 | Ternary Search | 1 | 1 | 100.0% |
| 8571 | Candies | 7 | 9 | 77.8% |
| 8572 | Regular expression | 2 | 2 | 100.0% |
| 8573 | Grammy Sorting | 0 | 0 | 0.0% |
| 8574 | Suffix Sort | 0 | 2 | 0.0% |
| 8575 | Melborp Elcissalc | 1 | 4 | 25.0% |
| 8576 | Great Party | 1 | 1 | 100.0% |
| 8577 | Maximum Range | 0 | 0 | 0.0% |
| 8578 | Don't Starve | 1 | 2 | 50.0% |
| 8579 | Icon Design | 2 | 3 | 66.7% |
| 8580 | Jumping Steps | 1 | 2 | 50.0% |
| 8581 | Poker Game: Decision | 1 | 2 | 50.0% |
| 8582 | Watches | 1 | 1 | 100.0% |
| 8583 | Number Game | 6 | 16 | 37.5% |
| 8584 | Bit Transmission | 1 | 1 | 100.0% |
| 8585 | Birds in the tree | 1 | 2 | 50.0% |
| 8586 | Poker Game: Construction | 0 | 2 | 0.0% |
| 8587 | Fraction Game | 1 | 2 | 50.0% |
| 8588 | Longest Common Subsequence | 1 | 1 | 100.0% |
| 8589 | A Stack of CDs | 0 | 5 | 0.0% |
| 8590 | KFC Crazy Thursday | 1 | 2 | 50.0% |
| 8591 | Lexicographic Comparison | 1 | 1 | 100.0% |
| 8592 | Cutting Papers | 1 | 3 | 33.3% |
| 8593 | Board Game | 1 | 1 | 100.0% |
| 8594 | expression Evaluation | 0 | 7 | 0.0% |
| 8595 | Check In | 0 | 2 | 0.0% |
| 8596 | Headphones | 1 | 2 | 50.0% |
| 8597 | Everlasting Transeunt | 1 | 1 | 100.0% |
| 8598 | Equivalence in Connectivity | 0 | 2 | 0.0% |
| 8599 | Symmetry: Tree | 1 | 1 | 100.0% |
| 8600 | Fall Guys-Perfect Match | 1 | 2 | 50.0% |
| 8601 | Z-Game on grid | 1 | 2 | 50.0% |
| 8602 | Magic Ritual | 1 | 2 | 50.0% |
| 8603 | Striking String Problem | 1 | 3 | 33.3% |
| 8604 | SolarPea and Inversion | 1 | 1 | 100.0% |
| 8605 | Mi Re Do Si La? So Fa! | 1 | 1 | 100.0% |
| 8606 | Reviewer Assignment | 0 | 4 | 0.0% |
| 8607 | Shannon Switching Game? | 1 | 2 | 50.0% |
| 8608 | Steins;Game 2 | 1 | 1 | 100.0% |
| 8609 | Wheel of Fortune | 1 | 2 | 50.0% |
| 8610 | Yet Another FFT Problem? | 0 | 3 | 0.0% |
| 8611 | Yet Another Sorting Problem! | 0 | 9 | 0.0% |
| 8612 | You are given a tree... | 1 | 2 | 50.0% |
| 8613 | Jobs (Easy Version) | 0 | 0 | 0.0% |
| 8614 | Jobs (Hard Version) | 0 | 0 | 0.0% |
| 8615 | Palindromic Tree | 0 | 0 | 0.0% |
| 8616 | Wall Builder I | 0 | 0 | 0.0% |
| 8617 | Wall Builder II | 0 | 0 | 0.0% |
| 8618 | Three Body | 0 | 0 | 0.0% |
| 8619 | Counting Fish Again | 0 | 0 | 0.0% |
| 8620 | NIO's Sword | 0 | 0 | 0.0% |
| 8621 | Black Hole | 0 | 0 | 0.0% |
| 8622 | Monotone Chain | 0 | 0 | 0.0% |
| 8623 | Particle Arts | 0 | 0 | 0.0% |
| 8624 | Bowling | 1 | 1 | 100.0% |
| 8625 | Independent Feedback Vertex Set | 1 | 1 | 100.0% |
| 8626 | Counting Stickmen | 1 | 2 | 50.0% |
| 8627 | Black Magic | 1 | 1 | 100.0% |
| 8628 | Cyber Painter | 0 | 2 | 0.0% |
| 8629 | Sumire | 1 | 1 | 100.0% |
| 8630 | Weighted Beautiful Tree | 1 | 1 | 100.0% |
| 8631 | Triangle Game | 1 | 1 | 100.0% |
| 8632 | Counting Good Arrays | 1 | 2 | 50.0% |
| 8633 | Connectivity of Erd!7;s-Rényi Graph | 1 | 2 | 50.0% |
| 8634 | Rock Tree | 1 | 1 | 100.0% |
| 8635 | Theramore | 1 | 1 | 100.0% |
| 8636 | Darkmoon Faire | 1 | 1 | 100.0% |
| 8637 | Undercity | 1 | 2 | 50.0% |
| 8638 | Quel'Thalas | 1 | 1 | 100.0% |
| 8639 | Ironforge | 1 | 1 | 100.0% |
| 8640 | Thunder Bluff | 1 | 1 | 100.0% |
| 8641 | Darnassus | 1 | 3 | 33.3% |
| 8642 | Orgrimmar | 1 | 1 | 100.0% |
| 8643 | Gilneas | 1 | 1 | 100.0% |
| 8644 | Vale of Eternal | 1 | 1 | 100.0% |
| 8645 | Stormwind | 1 | 1 | 100.0% |
| 8646 | The Dark Temple | 1 | 1 | 100.0% |
| 8647 | Shattrath City | 1 | 1 | 100.0% |
| 8648 | Arithmetic Subsequence | 0 | 1 | 0.0% |
| 8649 | Conquest of Masters Tour | 1 | 2 | 50.0% |
| 8650 | Fast Bubble Sort | 1 | 3 | 33.3% |
| 8651 | Villages: Landlines | 5 | 9 | 55.6% |
| 8652 | If You Can't Beat Them, Join Them! | 0 | 0 | 0.0% |
| 8653 | Leapfrogger | 0 | 2 | 0.0% |
| 8654 | Mario Party | 1 | 1 | 100.0% |
| 8655 | Matryoshka Doll | 1 | 2 | 50.0% |
| 8656 | Shortest Path in GCD Graph | 1 | 2 | 50.0% |
| 8657 | Simple Math 4 | 1 | 2 | 50.0% |
| 8658 | Sum Plus Product | 2 | 2 | 100.0% |
| 8659 | The Alchemist of the Discrete Mathematics | 1 | 1 | 100.0% |
| 8660 | Winner Prediction | 1 | 1 | 100.0% |
| 8661 | Photos | 1 | 1 | 100.0% |
| 8662 | Wavy Tree | 1 | 5 | 20.0% |
| 8663 | Average Replacement | 1 | 1 | 100.0% |
| 8664 | Apples | 0 | 0 | 0.0% |
| 8665 | Even Tree Split | 1 | 1 | 100.0% |
| 8666 | Minimum Diameter | 1 | 1 | 100.0% |
| 8667 | Painting Game | 1 | 1 | 100.0% |
| 8668 | Tree | 1 | 1 | 100.0% |
| 8669 | Maximum Triangles | 0 | 1 | 0.0% |
| 8670 | Expected Inversions | 1 | 1 | 100.0% |
| 8671 | Spirit Circle Observation | 1 | 3 | 33.3% |
| 8672 | Grab the Seat! | 2 | 6 | 33.3% |
| 8674 | LTCS | 1 | 3 | 33.3% |
| 8675 | Cut | 1 | 3 | 33.3% |
| 8676 | Lexicographical Maximum | 4 | 9 | 44.4% |
| 8677 | Fly | 1 | 5 | 20.0% |
| 8678 | Chiitoitsu | 2 | 4 | 50.0% |
| 8679 | Serval and Essay | 2 | 2 | 100.0% |
| 8680 | Villages: Landcircles | 0 | 1 | 0.0% |
| 8681 | Car Show | 4 | 4 | 100.0% |
| 8682 | Two Frogs | 1 | 1 | 100.0% |
| 8683 | Global Positioning System | 2 | 3 | 66.7% |
| 8684 | Half Turns | 1 | 6 | 16.7% |
| 8685 | Longest Increasing Subsequence | 1 | 3 | 33.3% |
| 8686 | Matrix and GCD | 2 | 2 | 100.0% |
| 8687 | Magic Spells | 1 | 1 | 100.0% |
| 8688 | Radar Scanner | 1 | 1 | 100.0% |
| 8689 | The Great Wall II | 1 | 1 | 100.0% |
| 8690 | Colourful Journey | 0 | 6 | 0.0% |
| 8691 | 排序2（递归分治） | 3 | 5 | 60.0% |
| 8692 | Falfa with Substring | 1 | 1 | 100.0% |
| 8693 | NIO with String Game | 1 | 1 | 100.0% |
| 8694 | link with Monotonic Subsequence | 0 | 3 | 0.0% |
| 8695 | Take the Elevator | 1 | 2 | 50.0% |
| 8696 | Link with Bracket Sequence I | 2 | 6 | 33.3% |
| 8709 | 班级对抗 | 16 | 27 | 59.3% |
| 8711 | 数字对撞机 | 27 | 143 | 18.9% |
| 8713 | 节水活动 | 21 | 71 | 29.6% |
| 8715 | 交替01串 | 4 | 28 | 14.3% |
| 8754 | 谁会赢？ | 46 | 156 | 29.5% |
| 8755 | 小明的零用钱（东莞2008第1题） | 26 | 32 | 81.2% |
| 8756 | 树的统计（东莞2008第2题） | 1 | 2 | 50.0% |
| 8757 | 回文数（东莞2008第3题） | 1 | 2 | 50.0% |
| 8759 | 素数个数（东莞2008初赛第1题） | 7 | 10 | 70.0% |
| 8761 | 最大价值 | 68 | 223 | 30.5% |
| 8762 | 最简密码（东莞2008初赛第4题） | 11 | 92 | 12.0% |
| 8763 | 最大的数 | 27 | 62 | 43.5% |
| 8764 | 有趣的等式 | 15 | 22 | 68.2% |
| 8766 | 聪明的小李(东莞2009初赛第4题） | 1 | 2 | 50.0% |
| 8767 | 魔方（东莞2009第1题） | 5 | 8 | 62.5% |
| 8768 | 逃脱食人族 | 84 | 158 | 53.2% |
| 8769 | 数学等式（东莞2009第3题） | 31 | 88 | 35.2% |
| 8770 | 雷劈数 | 55 | 363 | 15.2% |
| 8771 | 旅行(东莞2010初赛第1题） | 21 | 27 | 77.8% |
| 8776 | 朗读比赛(东莞2010第2题） | 73 | 177 | 41.2% |
| 8779 | 购物优惠(东莞2011初赛第1题） | 10 | 15 | 66.7% |
| 8782 | 优美序列(东莞2012第2题） | 59 | 152 | 38.8% |
| 8783 | 可口可乐(东莞2012第3题） | 66 | 97 | 68.0% |
| 8784 | 包装(东莞2012第4题） | 2 | 8 | 25.0% |
| 8785 | 奇偶数(东莞2013初赛第1题） | 4 | 5 | 80.0% |
| 8786 | 检证码(东莞2013初赛第2题） | 3 | 4 | 75.0% |
| 8787 | 运动会(东莞2013初赛第3题） | 57 | 73 | 78.1% |
| 8788 | 螺旋弯(东莞2013初赛第4题） | 3 | 3 | 100.0% |
| 8789 | 中国星跳跃(东莞2013第1题） | 5 | 6 | 83.3% |
| 8790 | 给数字加密(东莞2013第2题） | 1 | 1 | 100.0% |
| 8794 | 素数(东莞2014初赛第2题） | 52 | 198 | 26.3% |
| 8795 | 幂(东莞2014初赛第3题） | 72 | 83 | 86.7% |
| 8796 | 球(东莞2014初赛第4题） | 27 | 152 | 17.8% |
| 8804 | 拯救花园（南海2013第6题） | 1 | 2 | 50.0% |
| 8809 | 单纯质因数（南海2014第5题） | 14 | 31 | 45.2% |
| 8812 | 阅读活动(余姚2017第1题) | 14 | 26 | 53.8% |
| 8813 | 石头，剪刀，布 | 102 | 228 | 44.7% |
| 8814 | 数字删除(余姚2017第3题) | 5 | 49 | 10.2% |
| 8815 | 运动会 | 12 | 34 | 35.3% |
| 8817 | 整数拆分(余姚2018第2题) | 5 | 6 | 83.3% |
| 8821 | 求满足条件的数 | 38 | 52 | 73.1% |
| 8822 | 找最长良序字符串（慈溪2007第2题） | 84 | 218 | 38.5% |