ID Problem Show tags Hide tags AC / Tried Difficulty
13451 P13439   [GCJ 2009 #1C] Bribe the Prisoners 0 / 0 6
13453 P13441   [GCJ 2009 #2] A Digging Problem 0 / 0 7
13457 P13445   [GCJ 2009 #3] Alphabetomials 0 / 0 8
13460 P13448   [GCJ 2009 Finals] Year of More Code Jam 0 / 0 7
13462 P13450   [GCJ 2009 Finals] Doubly-sorted Grid 0 / 0 8
13464 P13452   [GCJ 2009 Finals] Marbles 0 / 0 8
13477 P13464   [GCJ 2008 #1C] Ugly Numbers 0 / 0 6
13478 P13465   [GCJ 2008 #1C] Increasing Speed Limits 0 / 0 6
13479 P13466   [GCJ 2008 #2] Cheating a Boolean Tree 0 / 0 5
13482 P13469   [GCJ 2008 #2] PermRLE 0 / 0 7
13483 P13470   [GCJ 2008 #3] How Big Are the Pockets? 0 / 0 7
13489 P13476   [GCJ 2008 APAC SemiFinal] Millionaire 0 / 0 7
13493 P13480   [GCJ 2008 AMER SemiFinal] Test Passing Probability 0 / 0 7
13494 P13481   [GCJ 2008 AMER SemiFinal] King 0 / 0 8
13498 P13485   [GCJ 2008 EMEA SemiFinal] Bus Stops 0 / 0 7
13121 P13494   【MX-X14-T4】分门别类 0 / 0 7
13183 P13501   「Cfz Round 6」Imaichi 0 / 0 7
13042 P13505   [OOI 2024] Big Persimmon 0 / 0 8
13511 P13513   [KOI 2025 #1] 釜山观光 0 / 0 5
13515 P13517   [KOI 2025 #2] 障碍物 0 / 0 3
13520 P13522   [KOI 2025 #2] 机器人 0 / 0 7
13524 P13526   [KOI 2025 #2] 庆典 0 / 0 9
13531 P13527   [OOI 2023] Another n-dimensional chocolate bar / n 维巧克力问题 0 / 0 8
13533 P13529   [OOI 2023] 皇家任务 0 / 0 8
13534 P13530   [OOI 2023] Music Festival / 音乐节 0 / 0 7
13538 P13534   [OOI 2023] The way home / 回家的路 0 / 0 7
13553 P13538   [IOI 2025] Festival 0 / 0 9
12933 P13566   「CZOI-R5」青蛙的旅行 0 / 0 6
13582 P13580   [CCPC 2024 重庆站] Median Replacement 0 / 0 9
13589 P13586   [NWRRC 2023] First Solved, Last Coded 0 / 0 7
13590 P13587   [NWRRC 2023] Game of Nim 0 / 0 6
13547 P13659   [CERC 2020] Storage Problems 0 / 0 6
13048 P13680   [IAMOI R2] 未送出的花 0 / 0 7
13010 P13681   [IAMOI R2] 逻辑推理 0 / 0 8
13092 P13687   【MX-X16-T5】「DLESS-3」XOR and Rockets 0 / 0 7
12992 P13714   淘汰(Hard ver.) 0 / 0 8
13504 P13731   【MGVOI R1-C】收集括号(brackets) 0 / 0 6
13696 P13738   [JOIGST 2025] 电波塔 / Radio Towers 0 / 0 6
13709 P13742   [NWERC 2024] Dutch Democracy 0 / 0 5
13066 P13788    「CZOI-R6」Permutation and Subsequence 0 / 0 5
12967 P13789   「CZOI-R6」游戏 0 / 0 6
13422 P13824   「Diligent-OI R2 D」在水一方 0 / 0 6
12950 P13831   【MX-X18-T3】「FAOI-R6」比亚多西 0 / 0 5
13068 P13832   【MX-X18-T4】「FAOI-R6」绿茶 0 / 0 7
13112 P13833   【MX-X18-T5】「FAOI-R6」纯蓝 0 / 0 8
13797 P13848   [CERC 2023] Drying Laundry 0 / 0 7
13823 P13862   [SWERC 2020] Mentors 0 / 0 7
13833 P13871   [蓝桥杯 2024 省 Java/Python A] 吊坠 0 / 0 6
13834 P13872   [蓝桥杯 2024 省 Java/Python A] 砍柴 0 / 0 6
13846 P13884   [蓝桥杯 2023 省 Java A] 高塔 0 / 0 8
13853 P13890   [蓝桥杯 2023 省 Python A] 奇怪的数 0 / 0 6
13858 P13894   [蓝桥杯 2023 省 C] 填充 0 / 0 3
13815 P13898   [CSPro 28] 训练计划 0 / 0 5
13681 P13904   「KFCOI Round #2」夏日·弥光 0 / 0 7
13902 P13934   [蓝桥杯 2022 省 Java B] 数组切分 0 / 0 5
13904 P13936   [蓝桥杯 2022 省 Java B] 红绿灯 0 / 0 6
13871 P13954   [ICPC 2023 Nanjing R] 红黑树 0 / 0 8
13874 P13957   [ICPC 2023 Nanjing R] 背包 0 / 0 6
13917 P13968   [VKOSHP 2024] Classics 0 / 0 7
13941 P13999   [eJOI 2025] Collecting Diamonds 0 / 0 7
13942 P14000   [eJOI 2025] Grid 0 / 0 5
12948 P14006   「florr IO Round 1」命运游戏 0 / 0 6
13939 P14011   [POCamp 2023] 珿求 / bootfall 0 / 0 7
13952 P14015   [ICPC 2024 Nanjing R] 生日礼物 0 / 0 7
13569 P14031   【MX-X20-T5】「FAOI-R7」连接时光 II 0 / 0 7
13947 P14033   【MX-X20-T7】「FAOI-R7」子集乘积(subset) 0 / 0 9
13990 P14040   [PAIO 2025] Exhibition 0 / 0 6
12991 P14072   热恋 0 / 0 6
14019 P14075   [GESP202509 六级] 划分字符串 0 / 0 5
14038 P14090   [ICPC 2023 Seoul R] Lucky Draws 0 / 0 7
14040 P14092   [ICPC 2023 Seoul R] M. S. I. S. 0 / 0 7
14051 P14123   [SCCPC 2021] Hourly Coding Problem 0 / 0 8
12964 P14135   【MX-X22-T6】「TPOI-4F」Miserable EXperience 0 / 0 9
13786 P14169    [Algo Beat Contest 002.5 D] 我要当 gamer (gamer) 0 / 0 6
12944 P14181   「FAOI-R8」Hotel California 0 / 0 8
14083 P14190   [ICPC 2024 Hangzhou R] Dividing Sequence 0 / 0 9
12958 P14230   不连续子串 / subseq 0 / 0 8
14150 P14251   [集训队互测 2025] Everlasting Friends? 0 / 0 9
13940 P14256   平局(draw) 0 / 0 9
13021 P14259   兄妹(siblings) 0 / 0 6
14152 P14261   兄妹(Ver. 2) 0 / 0 7
14164 P14272   [ROI 2014 Day1] 玩具自动售货机 0 / 0 5
14170 P14278   [ROI 2014 Day2] 健康饮食 0 / 0 7
14185 P14294   [JOI2024 预选赛 R2] 白色灯 2 / White Light 2 0 / 0 6
14186 P14295   [JOI2024 预选赛 R2] 花园 2 / Garden 2 0 / 0 7
14187 P14296   [JOI2024 预选赛 R2] 高速公路通行费 / Highway Tolls 0 / 0 7
14191 P14300   [JOI2023 预选赛 R2] 货物列车 / Freight Train 0 / 0 8
13965 P14306   【MX-J27-T3】旋律 0 / 0 5
14141 P14309   【MX-S8-T2】配对 0 / 0 7
14198 P14324   [USACO07NOV] Telephone Wire G 加强版 0 / 0 8
14202 P14328   [JOI2022 预选赛 R2] 糖 2 / Candies 2 0 / 0 5
14206 P14332   [JOI2021 预选赛 R2] 活动巡游 / Event Hopping 0 / 0 6
14211 P14337   [JOI2020 预选赛 R2] 求和 / Digit Sum 0 / 0 3
14213 P14339   [JOI2020 预选赛 R2] 剪刀石头布 / Rock-Scissors-Paper Expression 0 / 0 7
14220 P14344   [JOISC 2019] 两道料理 / Two Dishes 0 / 0 9
14223 P14347   [JOISC 2019] 灯 / Lamps 0 / 0 7
14225 P14349   [JOISC 2019] 蛋糕 3 / Cake 3 0 / 0 8
14233 P14359   [CSP-J 2025] 异或和 0 / 0 5
14234 P14360   [CSP-J 2025] 多边形 0 / 0 5
14241 P14367   [JOISC 2018] 帐篷 / Tents 0 / 0 7

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