对应国内 CSP-S（提高级）/ NOIP，建议已学完基础算法的同学训练。
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银组 Silver —— 对应 CSP-S（提高级）/ NOIP。考点：二分、前缀和 / 差分、双指针、贪心、DFS/BFS、基础DP。建议已学完基础算法的同学训练。
章节 2. 2016 年
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- 章节 1. 2015 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 4 Angry Cows | 0 | 0 | 3 |
| 38 Circular Barn | 0 | 0 | 3 |
| 47 Cities and States | 0 | 0 | 3 |
| 50 Closing the Farm | 0 | 0 | 3 |
| 73 Diamond Collector | 0 | 0 | 3 |
| 78 Subsequences Summing to Sevens | 0 | 0 | 3 |
| 94 Field Reduction | 0 | 0 | 3 |
| 173 Build Gates | 0 | 0 | 3 |
| 227 Moocast | 0 | 0 | 3 |
| 327 Milk Pails | 0 | 0 | 3 |
章节 3. 2017 年
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- 章节 2. 2016 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 53 Why Did the Cow Cross the Road III | 0 | 0 | 3 |
| 55 Secret Cow Code | 0 | 0 | 3 |
| 56 Cow Dance Show | 0 | 0 | 3 |
| 64 Bovine Genomics | 0 | 0 | 3 |
| 89 Where's Bessie? | 0 | 0 | 3 |
| 103 The Bovine Shuffle | 0 | 0 | 3 |
| 154 *(隐藏) | 0 | 0 | (无) |
| 188 Why Did the Cow Cross the Road | 0 | 0 | 3 |
| 192 My Cow Ate My Homework | 0 | 0 | 3 |
| 199 Hoof, Paper, Scissors | 0 | 0 | 3 |
| 214 Why Did the Cow Cross the Road II | 0 | 0 | 3 |
| 217 Milk Measurement | 0 | 0 | 3 |
| 331 Paired Up | 0 | 0 | 3 |
章节 4. 2018 年
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- 章节 3. 2017 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 51 Convention II | 0 | 0 | 3 |
| 95 Rental Service | 0 | 0 | 3 |
| 96 Rest Stops | 0 | 0 | 3 |
| 109 Snow Boots | 0 | 0 | 3 |
| 116 Out of Sorts | 0 | 0 | 3 |
| 134 Teleportation | 0 | 0 | 3 |
| 204 Lemonade Line | 0 | 0 | 3 |
| 207 Lifeguards | 0 | 0 | 3 |
| 232 MooTube | 0 | 0 | 3 |
| 233 Mooyo Mooyo | 0 | 0 | 3 |
| 239 Multiplayer Moo | 0 | 0 | 3 |
章节 5. 2019 年
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- 章节 4. 2018 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 98 The Great Revegetation | 0 | 0 | 3 |
| 170 Fence Planning | 0 | 0 | 3 |
| 190 Sleepy Cow Herding | 0 | 0 | 3 |
| 203 Left Out | 0 | 0 | 3 |
| 218 Meetings | 0 | 0 | 3 |
| 222 Milk Visits | 0 | 0 | 3 |
| 225 MooBuzz | 0 | 0 | 3 |
| 234 Mountain View | 0 | 0 | 3 |
| 330 Painting the Barn | 0 | 0 | 3 |
| 333 Icy Perimeter | 0 | 0 | 3 |
| 337 Grass Planting | 0 | 0 | 3 |
章节 6. 2020 年
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- 章节 5. 2019 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 21 Berry Picking | 0 | 0 | 3 |
| 42 Cereal | 0 | 0 | 3 |
| 48 Clock Tree | 0 | 0 | 3 |
| 126 Swapity Swapity Swap | 0 | 0 | 3 |
| 149 Triangles | 1 | 1 | 3 |
| 157 Wormhole Sort | 0 | 0 | 3 |
| 212 Loan Repayment | 0 | 0 | 3 |
| 229 The Moo Particle | 0 | 0 | 3 |
| 286 Cowntagion | 0 | 0 | 3 |
| 399 *(隐藏) | 0 | 0 | (无) |
| 479 Stuck in a Rut | 2 | 1 | 3 |
| 543 Rectangular Pasture | 0 | 0 | 3 |
章节 7. 2021 年
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- 章节 6. 2020 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 287 Closest Cow Wins | 0 | 0 | 3 |
| 291 Comfortable Cows | 0 | 0 | 3 |
| 296 Dance Mooves | 0 | 0 | 3 |
| 301 Maze Tac Toe | 0 | 0 | 3 |
| 400 *(隐藏) | 0 | 0 | (无) |
| 404 *(隐藏) | 0 | 0 | (无) |
| 409 *(隐藏) | 0 | 0 | (无) |
| 414 *(隐藏) | 0 | 0 | (无) |
| 480 Convoluted Intervals | 0 | 0 | 3 |
| 484 Just Green Enough | 0 | 0 | 3 |
| 489 Spaced Out | 0 | 0 | 3 |
| 494 Acowdemia | 0 | 0 | 3 |
| 544 Connecting Two Barns | 0 | 0 | 3 |
| 548 Year of the Cow | 0 | 0 | 3 |
| 558 Do You Know Your ABCs? | 0 | 0 | 3 |
章节 8. 2022 年
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- 章节 7. 2021 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 288 Barn Tree | 0 | 0 | 3 |
| 292 Redistributing Gifts | 0 | 0 | 3 |
| 302 Visits | 0 | 0 | 3 |
| 401 *(隐藏) | 0 | 0 | (无) |
| 405 *(隐藏) | 0 | 0 | (无) |
| 410 *(隐藏) | 0 | 0 | (无) |
| 415 *(隐藏) | 0 | 0 | (无) |
| 481 Range Reconstruction | 0 | 0 | 3 |
| 485 Email Filing | 0 | 0 | 3 |
| 490 Cereal 2 | 0 | 0 | 3 |
| 495 COW Operations | 0 | 0 | 3 |
| 545 Circular Barn | 0 | 0 | 3 |
| 549 Robot Instructions | 0 | 0 | 3 |
| 554 Cow Frisbee | 0 | 0 | 3 |
| 559 Subset Equality | 0 | 0 | 3 |
章节 9. 2023 年
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- 章节 8. 2022 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 289 Bovine Acrobatics | 0 | 0 | 3 |
| 293 Bakery | 0 | 0 | 3 |
| 303 Milk Sum | 0 | 0 | 3 |
| 402 *(隐藏) | 0 | 0 | (无) |
| 406 *(隐藏) | 0 | 0 | (无) |
| 411 *(隐藏) | 0 | 0 | (无) |
| 416 *(隐藏) | 0 | 0 | (无) |
| 482 Target Practice | 0 | 0 | 3 |
| 486 Moo Route II | 0 | 0 | 3 |
| 491 Moo Route | 0 | 0 | 3 |
| 496 Pareidolia | 0 | 0 | 3 |
| 546 Cycle Correspondence | 0 | 0 | 3 |
| 550 Cow-libi | 0 | 0 | 3 |
| 555 Following Directions | 0 | 0 | 3 |
章节 10. 2024 年
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- 章节 9. 2023 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 290 Cake Game | 0 | 0 | 3 |
| 294 Target Practice II | 0 | 0 | 3 |
| 299 Cowmpetency | 0 | 0 | 3 |
| 304 Bessie's Interview | 0 | 0 | 3 |
| 403 *(隐藏) | 0 | 0 | (无) |
| 407 *(隐藏) | 0 | 0 | (无) |
| 412 *(隐藏) | 0 | 0 | (无) |
| 417 *(隐藏) | 0 | 0 | (无) |
| 483 2D Conveyor Belt | 0 | 0 | 3 |
| 487 Moorbles | 0 | 0 | 3 |
| 492 Cowlendar | 0 | 0 | 3 |
| 497 The 'Winning' Gene | 0 | 0 | 3 |
| 547 Deforestation | 0 | 0 | 3 |
| 551 Test Tubes | 0 | 0 | 3 |
| 556 Potion Farming | 0 | 0 | 3 |
| 561 Painting Fence Posts | 0 | 0 | 3 |
章节 11. 2025 年
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- 章节 10. 2024 年 (已完成 0%)
| 题目 | 尝试 | AC | 难度 |
|---|---|---|---|
| 295 The Best Lineup | 0 | 0 | 3 |
| 300 Cow Checkups | 0 | 0 | 3 |
| 305 Sequence Construction | 0 | 0 | 3 |
| 408 *(隐藏) | 0 | 0 | (无) |
| 413 *(隐藏) | 0 | 0 | (无) |
| 418 *(隐藏) | 0 | 0 | (无) |
| 488 Transforming Pairs | 0 | 0 | 3 |
| 493 Table Recovery | 0 | 0 | 3 |
| 498 Ski Slope | 0 | 0 | 3 |
| 552 Vocabulary Quiz | 0 | 0 | 3 |
| 557 Farmer John's Favorite Operation | 0 | 0 | 3 |
| 562 Compatible Pairs | 0 | 0 | 3 |
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