ID Problem Show tags Hide tags AC / Tried Difficulty
9260 P9871  [NOIP2023] 天天爱打卡 0 / 0 6
9250 P9872  [EC Final 2021] DFS Order 1 / 1 3
9251 P9873  [EC Final 2021] Beautiful String 0 / 0 5
9252 P9874  [EC Final 2021] String-dle Count 0 / 0 6
9253 P9875  [EC Final 2021] Two Walls 0 / 0 6
9254 P9876  [EC Final 2021] Prof. Pang and Poker 0 / 0 5
9255 P9877  [EC Final 2021] Vacation 0 / 0 7
9256 P9878  [EC Final 2021] Check Pattern is Bad 0 / 0 7
9244 P9879  [EC Final 2021] Check Pattern is Good 0 / 0 6
9245 P9880  [EC Final 2021] Future Coder 0 / 0 2
9246 P9881  [EC Final 2021] Elden Ring 0 / 0 5
9247 P9882  [EC Final 2021] Vision Test 0 / 0 7
9248 P9883  [EC Final 2021] Fenwick Tree 0 / 0 4
9249 P9884  [EC Final 2021] Prof. Pang and Ants 0 / 0 7
9267 P9885  [ICPC2018 Qingdao R] Sequence and Sequence 0 / 0 7
9271 P9886  [ICPC2018 Qingdao R] Kawa Exam 0 / 0 6
9272 P9887  [ICPC2018 Qingdao R] Flippy Sequence 0 / 0 3
9273 P9888  [ICPC2018 Qingdao R] Magic Multiplication 0 / 0 4
9274 P9889  [ICPC2018 Qingdao R] Plants vs. Zombies 0 / 0 4
9275 P9890  [ICPC2018 Qingdao R] Tournament 0 / 0 5
9276 P9891  [ICPC2018 Qingdao R] Repair the Artwork 0 / 0 6
9277 P9892  [ICPC2018 Qingdao R] Mirror 0 / 0 7
9278 P9893  [ICPC2018 Qingdao R] Soldier Game 0 / 0 6
9279 P9894  [ICPC2018 Qingdao R] Books 0 / 0 3
9280 P9895  [ICPC2018 Qingdao R] Airdrop 0 / 0 6
9281 P9896  [ICPC2018 Qingdao R] Sub-cycle Graph 0 / 0 6
9282 P9897  [ICPC2018 Qingdao R] Function and Function 0 / 0 2
9262 P9903  [COCI 2023/2024 #1] Sudoku 0 / 0 2
9263 P9904  [COCI 2023/2024 #1] Labirint 0 / 0 3
9289 P9905  [COCI 2023/2024 #1] AN2DL 0 / 0 4
9290 P9906  [COCI 2023/2024 #1] Kocke 0 / 0 5
9316 P9908  [COCI 2023/2024 #2] Pahuljice 0 / 0 2
9317 P9909  [COCI 2023/2024 #2] Pingvin 0 / 0 2
9318 P9910  [COCI 2023/2024 #2] Dizalo 0 / 0 6
9319 P9911  [COCI 2023/2024 #2] Kuglice 0 / 0 4
9320 P9912  [COCI 2023/2024 #2] Zatopljenje 0 / 0 4
9170 P9913  「RiOI-03」water problem 1 / 1 3
9166 P9914  「RiOI-03」匀速相遇 0 / 0 3
9159 P9915  「RiOI-03」3-2 0 / 0 4
9168 P9916  「RiOI-03」Just a Q. (Easy ver.) 0 / 0 6
9173 P9917  「RiOI-03」网格 0 / 0 6
9188 P9918  「RiOI-03」Just a Q. (Hard ver.) 0 / 0 6
9169 P9919  「RiOI-03」A Journey to the Moonlight 0 / 0 7
9303 P9926  [NFLSPC #6] 所以 k 小生成树怎么做? 0 / 0 7
9305 P9928  [NFLSPC #6] 来点不那么魔怔的题面 0 / 0 3
9306 P9929  [NFLSPC #6] 挑战大数因子分解 0 / 0 5
9307 P9930  [NFLSPC #6] 1064 病毒 0 / 0 3
9308 P9931  [NFLSPC #6] 挑战停机问题 0 / 0 6
9309 P9932  [NFLSPC #6] 树 0 / 0 7
9310 P9933  [NFLSPC #6] 9.pop_book(); 0 / 0 6
9311 P9934  [NFLSPC #6] 绝不能忘记的事…… 0 / 0 5
9312 P9935  [NFLSPC #6] 啊,忘记了。 0 / 0 6
9313 P9936  [NFLSPC #6] 等差数列 0 / 0 4
9322 P9937  [USACO21OPEN] Acowdemia I B 0 / 0 2
9323 P9938  [USACO21OPEN] Acowdemia II B 0 / 0 (None)
9324 P9939  [USACO21OPEN] Acowdemia III B 0 / 0 (None)
9325 P9940  [USACO21JAN] Uddered but not Herd B 0 / 0 1
9326 P9941  [USACO21JAN] Even More Odd Photos B 0 / 0 2
9327 P9942  [USACO21JAN] Just Stalling B 0 / 0 (None)
9328 P9943  [USACO21FEB] Year of the Cow B 0 / 0 (None)
9329 P9944  [USACO21FEB] Comfortable Cows B 0 / 0 (None)
9330 P9945  [USACO21FEB] Clockwise Fence B 0 / 0 2
9331 P9946  [USACO20JAN] Word Processor B 0 / 0 1
9332 P9947  [USACO20JAN] Photoshoot B 0 / 0 2
9333 P9948  [USACO20JAN] Race B 0 / 0 3
9347 P9949  [USACO20FEB] Triangles B 0 / 0 (None)
9348 P9950  [USACO20FEB] Mad Scientist B 0 / 0 1
9349 P9951  [USACO20FEB] Swapity Swap B 0 / 0 (None)
9350 P9952  [USACO20OPEN] Social Distancing I B 0 / 0 (None)
9351 P9953  [USACO20OPEN] Social Distancing II B 0 / 0 (None)
9352 P9954  [USACO20OPEN] Cowntact Tracing B 0 / 0 (None)
9353 P9955  [USACO20DEC] Do You Know Your ABCs? B 0 / 0 1
9354 P9956  [USACO20DEC] Daisy Chains B 0 / 0 2
9355 P9957  [USACO20DEC] Stuck in a Rut B 0 / 0 (None)
9356 P9958  [USACO19JAN] Shell Game B 0 / 0 (None)
9357 P9959  [USACO19JAN] Sleepy Cow Sorting B 0 / 0 (None)
9358 P9960  [USACO19JAN] Guess the Animal B 0 / 0 (None)
9382 P9974  [USACO23DEC] Candy Cane Feast B 0 / 0 3
9384 P9975  [USACO23DEC] Cowntact Tracing 2 B 0 / 0 3
9394 P9976  [USACO23DEC] Farmer John Actually Farms B 0 / 0 3
9395 P9977  [USACO23DEC] Bovine Acrobatics S 0 / 0 4
9396 P9978  [USACO23DEC] Cycle Correspondence S 0 / 0 3
9397 P9979  [USACO23DEC] Target Practice S 0 / 0 4
9398 P9980  [USACO23DEC] Flight Routes G 0 / 0 4
9399 P9981  [USACO23DEC] Minimum Longest Trip G 0 / 0 4
9401 P9982  [USACO23DEC] Haybale Distribution G 0 / 0 4
9402 P9983  [USACO23DEC] Cowntact Tracing P 0 / 0 7
9403 P9984  [USACO23DEC] A Graph Problem P 0 / 0 6
9404 P9985  [USACO23DEC] Train Scheduling P 0 / 0 6
9167 P9986  [Ynoi2079] r2pspc 0 / 0 7
9157 P9987  [Ynoi2079] riapq 0 / 0 7
9164 P9988  [Ynoi2079] 2stmo 0 / 0 7
9336 P9989  [Ynoi Easy Round 2023] TEST_69 0 / 0 6
9338 P9990  [Ynoi Easy Round 2023] TEST_90 0 / 0 6
9186 P9991  [Ynoi Easy Round 2023] TEST_107 0 / 0 6
9187 P9992  [Ynoi Easy Round 2024] TEST_130 0 / 0 6
9162 P9993  [Ynoi Easy Round 2024] TEST_133 0 / 0 6
9342 P9994  [Ynoi Easy Round 2024] TEST_132 0 / 0 6
9345 P9995  [Ynoi2000] rspcn 0 / 0 6
9343 P9996  [Ynoi2000] hpi 0 / 0 7

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