ID Problem Show tags Hide tags AC / Tried Difficulty
14396 P14514   [NFLSPC #8] 如何区分北京东路和北京东路 0 / 0 6
14331 P14523   【MX-S11-T4】Ice Drop 0 / 0 8
14427 P14538   [OII 2025] 市政委员会 / Giunta comunale 0 / 0 8
14476 P14551   【模板】Pell 方程 0 / 0 9
14452 P14561   [CXOI2025] 我常常追忆过去 0 / 0 9
14305 P14566   【MX-S12-T1】取模 0 / 0 5
14306 P14570    「LAOI-11」Metamorphosism 0 / 0 5
14324 P14571    「LAOI-11」Ice Block 0 / 0 7
14318 P14573   「LAOI-11」Maze 0 / 0 8
14515 P14636   [NOIP2025] 清仓甩卖 1 / 1 8
14325 P14640   【OIMO Round 1】校验 0 / 0 5
14619 P14663   [KenOI 2025] 倍数题 0 / 0 1
14736 P14752   Hit or not? 0 / 0 3
14804 P14776   [ICPC 2024 Seoul R] Triangle 0 / 0 5
14788 P14778   [COCI 2025/2026 #3] 节日 / Festival 0 / 0 3
14791 P14781   [COCI 2025/2026 #3] 尺子 / Ravnalo 0 / 0 5
14826 P14782   [NERC 2025] Alphabet City 0 / 0 3
14832 P14788   [NERC 2025] Greta' s Game 0 / 0 7
14833 P14789   [NERC 2025] Honey Cake 0 / 0 3
14835 P14791   [NERC 2025] Jinx or Jackpot 0 / 0 7
14837 P14793   [NERC 2025] LLM Training 0 / 0 8
14841 P14796   [JOI 2026 二次预选] 究极团子达人 / Ultimate Dango Maker 0 / 0 5
14843 P14798   [JOI 2026 二次预选] 购物 3 / Shopping 3 0 / 0 6
14823 P14813   [CCPC 2024 哈尔滨站] 奇怪的上取整 0 / 0 3
14546 P14826   踩踩标 0 / 0 3
14876 P14840   [THUPC 2026 初赛] 宝石分组 0 / 0 7
14865 P14849   [ICPC 2022 Yokohama R] Cake Decoration 0 / 0 8
14904 P14858   [ICPC 2021 Yokohama R] It' s Surely Complex 0 / 0 9
14916 P14868   [ICPC 2020 Yokohama R] Jewelry Size 0 / 0 6
14934 P14886   Left and Right 0 / 0 5
14956 P14908   [NHSPC 2024] 花果山 0 / 0 7
14627 P14914   「QFOI R3」航线交汇 0 / 0 3
14557 P14939   「FAOI-R10」异或矩阵 0 / 0 8
14680 P14953   乒乓博弈 0 / 0 1
14555 P14959    「KWOI R1」Ring Problem 0 / 0 5
14625 P14960   「KWOI R1」XOR and Sliding Window 0 / 0 7
14629 P14967   Watching the Moon 0 / 0 5
14994 P14974   [USACO26JAN1] Chip Exchange B 0 / 0 5
14999 P14979   [USACO26JAN1] Sliding Window Summation S 0 / 0 6
15020 P14995   [Nordic OI 2020] Apple Delivery 0 / 0 8
15047 P15003   [UOI 2019 II Stage] 有趣的问题 0 / 0 5
15051 P15007   [UOI 2019 II Stage] 草坪 0 / 0 3
15052 P15008   [UOI 2019 II Stage] 狼人杀 0 / 0 5
15053 P15009   [UOI 2019 II Stage] 随从 0 / 0 5
15068 P15022   [UOI 2020 II Stage] 邻居 0 / 0 1
15081 P15032   [UOI 2021 II Stage] 棋子 0 / 0 3
15086 P15040   [UOI 2022 II Stage] 竞赛 0 / 0 1
15092 P15045   [UOI 2022 II Stage] 秘密信件 0 / 0 1
15093 P15046   [UOI 2022 II Stage] 魔法鞋 0 / 0 3
15098 P15050   [UOI 2023 II Stage] Pixel snail 0 / 0 1
15105 P15055   [UOI 2023 II Stage] Gallery 0 / 0 1
15107 P15057   [UOI 2023 II Stage] Roads of Potokolandiya 0 / 0 5
15110 P15062   [UOI 2024 II Stage] Shops 0 / 0 1
15115 P15067   [UOI 2024 II Stage] Job Applications 0 / 0 1
15117 P15069   [UOI 2024 II Stage] Disco 0 / 0 5
15039 P15078   [ICPC 2024 Chengdu R] Expanding Array 0 / 0 5
15041 P15080   [ICPC 2024 Chengdu R] Good Partitions 0 / 0 6
15126 P15085   [UOI 2025 II Stage] Family 0 / 0 1
15131 P15090   [UOI 2025 II Stage] Movies 0 / 0 1
15149 P15105   [ICPC 2025 LAC] Keep Fighting 0 / 0 6
15156 P15118   [ICPC 2024 LAC] DiviDuelo 0 / 0 6
15169 P15131   [ROIR 2026] 长方体的染色 0 / 0 5
15196 P15140   [SWERC 2025] Factory Table 0 / 0 3
15225 P15161   [SWERC 2022] Uniform Chemistry 0 / 0 7
15256 P15192   [SWERC 2019] Rats 0 / 0 1
15279 P15223   [SWERC 2017] Shattered Cake 0 / 0 1
14647 P15229    【LCOI R1 T1】Simple Sequence Evaluation 0 / 0 6
15293 P15240   [NHSPC 2025] 解碼密鑰 0 / 0 5
14682 P15287   「YLLOI-R3-T2」霍元甲 0 / 0 5
14792 P15306    『NFC-OI R1』序列玖 0 / 0 6
15355 P15317   [VKOSHP 2025] Two Skew Roads 0 / 0 6
15357 P15319   [VKOSHP 2025] Mathematical Calendar 0 / 0 3
15344 P15343   「RedStone OI R1 C」Super Fib 0 / 0 8
15007 P15355   「LCOI R2 T1」Stochastic Dream 0 / 0 6
15274 P15359   「WYZOI R2」春运 0 / 0 5
14894 P15377   询问 / sosoo 0 / 0 7
14893 P15378   二次根式 / sosqrt 0 / 0 7
14543 P15381   雨き声残響 / ame 0 / 0 8
14898 P15390   基础想象练习题 / fantasy 0 / 0 9
15057 P15395   幻影之春 / phantom 0 / 0 3
14538 P15396   关于最大公约数的又一个问题 / gcd 0 / 0 6
14598 P15409   「TBOI Round 1」Niton & LCM 0 / 0 5
15378 P15414   [CCC 2019 S2] Pretty Average Primes 优雅平均质数 0 / 0 3
15410 P15430   [蓝桥杯 2025 国 Python B] 等差数列计数 0 / 0 1
15411 P15431   [蓝桥杯 2025 国 Python B] 派对邀请方案 0 / 0 5
15423 P15440   [蓝桥杯 2025 国 Python C] 切换信号灯 0 / 0 6
15426 P15443   [蓝桥杯 2025 国研究生组] 黑球与白球 0 / 0 6
14695 P15461   【MX-X25-T5】『FeOI-5』Flyway 0 / 0 8
15503 P15523   [ROIR 2015 Day 1] hall 选择大厅 0 / 0 3
14534 P15546   「Stoi2037」七里香 0 / 0 5
15398 P15571   [USACO26FEB] Strange Function B 0 / 0 5
15401 P15574   [USACO26FEB] Milk Buckets S 0 / 0 7
15523 P15591   [ICPC 2020 Jakarta R] Moon and Sun 0 / 0 6
15557 P15625   [ICPC 2022 Jakarta R] Sharing Bread 0 / 0 8
15588 P15664   [ICPC 2025 Jakarta R] AND and/or OR 0 / 0 5
15678 P15746   [JAG 2024 Summer Camp #3] Paper Cut Game 0 / 0 6
15697 P15765   [JAG 2025 Summer Camp #1] Sum of Floor(N/ij) 0 / 0 5
15672 P15790   「1&0OI R1」相思若循 0 / 0 6
15667 P15793   「1&0OI R1」灼之花 0 / 0 7
15668 P15794   【MX-J25-T1】「Cfz Round 8」Sqrt Problem 0 / 0 3

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