ID Problem Show tags Hide tags AC / Tried Difficulty
20305 P14930   [北大集训 2025] 奇迹 0 / 0 8
20307 P14932   [北大集训 2025] 复读机 0 / 0 9
18504 P14936   「FAOI-R10」别样的 mex 大战 0 / 0 5
18377 P14942   构造题什么的最讨厌了 0 / 0 7
18395 P14944   已经没有什么好构造的了 0 / 0 8
18441 P14951   服了吗 0 / 0 8
18378 P14952   过河卒 0 / 0 9
18330 P14958   「KWOI R1」Permutation Problem 0 / 0 3
18343 P14959    「KWOI R1」Ring Problem 0 / 0 5
19219 P14972   『GTOI - 2C』Fliping 0 / 0 6
20324 P14975   [USACO26JAN1] COW Splits B 0 / 0 6
18369 P14992   取模 0 / 0 9
20341 P14997   [Nordic OI 2020] Christmas Gifts 0 / 0 8
20342 P14998   [Nordic OI 2019] Distance Code 0 / 0 6
20343 P14999   [Nordic OI 2019] Thieves and Prisons 0 / 0 (None)
20344 P15000   [Nordic OI 2019] Graph Ordering 0 / 0 9
20366 P15003   [UOI 2019 II Stage] 有趣的问题 0 / 0 5
20373 P15010   [UOI 2019 II Stage] 足球 0 / 0 7
18476 P15014   构造奶龙 0 / 0 8
20384 P15021   [UOI 2020 II Stage] 方程 0 / 0 1
18529 P15036   「chaynOI R2 T1」构造字符串 0 / 0 5
20318 P15039    「chaynOI R2 T4」无限的信息 0 / 0 8
20404 P15042   [UOI 2022 II Stage] 双色图形 0 / 0 6
20410 P15047   [UOI 2022 II Stage] 铁路 0 / 0 8
20415 P15051   [UOI 2023 II Stage] Nova Poshta 0 / 0 3
20418 P15054   [UOI 2023 II Stage] Square or rectangle 0 / 0 7
20422 P15057   [UOI 2023 II Stage] Roads of Potokolandiya 0 / 0 5
20419 P15061   琥峪枫 0 / 0 8
20426 P15063   [UOI 2024 II Stage] Creating an Array 0 / 0 3
20428 P15065   [UOI 2024 II Stage] Mole 0 / 0 5
20432 P15069   [UOI 2024 II Stage] Disco 0 / 0 5
20352 P15072   [ICPC 2024 Chengdu R] Arrow a Row 0 / 0 5
20354 P15074   [ICPC 2024 Chengdu R] Chinese Chess 0 / 0 8
20357 P15077   [ICPC 2024 Chengdu R] Double 11 0 / 0 9
20363 P15083   [ICPC 2024 Chengdu R] Recover Statistics 0 / 0 1
20364 P15084   [ICPC 2024 Chengdu R] Two Convex Holes 0 / 0 9
20437 P15087   [UOI 2025 II Stage] Area of the Cake 0 / 0 5
20439 P15089   [UOI 2025 II Stage] OldPost --- NewPost 0 / 0 7
20442 P15092   [UOI 2025 II Stage] Diagonal Numbers 0 / 0 6
20443 P15093   [UOI 2025 II Stage] Odd Rows 0 / 0 7
20448 P15096   [ICPC 2025 LAC] Brazilian FootXOR 0 / 0 7
20456 P15104   [ICPC 2025 LAC] Just Look Up 0 / 0 8
18438 P15108   白井黑子 0 / 0 9
18296 P15109   Adverse Present 0 / 0 7
18298 P15110   Silent End 0 / 0 8
18297 P15111   群星 0 / 0 8
20459 P15114   [集训队论文 2026] 无处存储 0 / 0 9
20460 P15115   [ICPC 2024 LAC] Almost Aligned 0 / 0 8
20461 P15116   [ICPC 2024 LAC] Beating the Record 0 / 0 8
20464 P15119   [ICPC 2024 LAC] Expanding STACKS! 0 / 0 5
20466 P15121   [ICPC 2024 LAC] Greek Casino 0 / 0 7
20468 P15123   [ICPC 2024 LAC] Insects, Mathematics, Accuracy, and Efficiency 0 / 0 8
20469 P15124   [ICPC 2024 LAC] Joys of Trading 0 / 0 7
20473 P15128   [ROIR 2026] 跛脚国王 0 / 0 (None)
20486 P15137   [SWERC 2025] Chamber of Secrets 2 0 / 0 5
20488 P15139   [SWERC 2025] Expansion Plan 2 0 / 0 3
20490 P15141   [SWERC 2025] Git Gud 0 / 0 7
20491 P15142   [SWERC 2025] Hyper Smawk Bros 0 / 0 9
20492 P15143   [SWERC 2025] Isaac's Queries 0 / 0 8
20493 P15144   [SWERC 2025] Jewels Building 0 / 0 5
20494 P15145   [SWERC 2025] Keygen 3 0 / 0 8
20504 P15148   [SWERC 2024] Divine Gifting 0 / 0 6
20507 P15151   [SWERC 2024] Building the Fort 0 / 0 7
20514 P15158   [SWERC 2024] The Charioteer 0 / 0 8
20517 P15161   [SWERC 2022] Uniform Chemistry 0 / 0 7
20518 P15162   [SWERC 2022] Another Wine Tasting Event 0 / 0 7
20520 P15164   [SWERC 2022] Spinach Pizza 0 / 0 8
20524 P15168   [SWERC 2022] Library game 0 / 0 8
20526 P15170   [SWERC 2022] Train Splitting 0 / 0 6
20533 P15177   [SWERC 2021] Bottle Arrangements 0 / 0 3
20535 P15179   [SWERC 2021] Pandemic Restrictions 0 / 0 8
20544 P15188   [SWERC 2019] Pixels 0 / 0 8
20561 P15205   [SWERC 2018] Mona Lisa 0 / 0 8
20480 P15207   [NWERC 2025] Arcade Crane 0 / 0 (None)
20481 P15208   [NWERC 2025] Bisecting Bargain 0 / 0 (None)
20483 P15210   [NWERC 2025] Dreamcatcher 0 / 0 (None)
20496 P15211   [NWERC 2025] Erratic Lights 0 / 0 (None)
20498 P15213   [NWERC 2025] Hasty Haul【未配置通信题】 0 / 0 (None)
20500 P15215   [NWERC 2025] Juggling Keys 0 / 0 (None)
20501 P15216   [NWERC 2025] KIT Finding 0 / 0 (None)
20573 P15228   [SWERC 2017] Blowing Candles 0 / 0 7

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