ID Problem Show tags Hide tags AC / Tried Difficulty
19149 P13673   [GCPC 2023] Highway Combinatorics 0 / 0 8
19150 P13674   [GCPC 2023] Investigating Frog Behaviour on Lily Pad Patterns 0 / 0 3
19157 P13675   [GCPC 2023] Japanese Lottery 0 / 0 8
19158 P13676   [GCPC 2023] Kaldorian Knights 0 / 0 7
19159 P13677   [GCPC 2023] Loop Invariant 0 / 0 3
19160 P13678   [GCPC 2023] Mischievous Math 0 / 0 3
18440 P13679   [IAMOI R2] 传奇模数 0 / 0 3
18491 P13680   [IAMOI R2] 未送出的花 0 / 0 7
18444 P13681   [IAMOI R2] 逻辑推理 0 / 0 8
18477 P13682   [IAMOI R2] 污水博弈 0 / 0 8
18569 P13683   【MX-X16-T1】「DLESS-3」XOR and Greater Sum 0 / 0 3
18550 P13684   【MX-X16-T2】「DLESS-3」XOR and Multiply 0 / 0 3
18658 P13685   【MX-X16-T3】「DLESS-3」XOR and Impossible Problem 0 / 0 5
18551 P13686   【MX-X16-T4】「DLESS-3」XOR and Split 0 / 0 6
18545 P13687   【MX-X16-T5】「DLESS-3」XOR and Rockets 0 / 0 7
18487 P13688   【MX-X16-T6】「DLESS-3」XOR and Powerless Suffix Mode 0 / 0 8
18536 P13689   【MX-X16-T7】「DLESS-3」XOR and Generalized Linear Independence 0 / 0 9
18822 P13690   [CEOI 2025] boardgames 0 / 0 9
18821 P13691   [CEOI 2025] highest 0 / 0 8
18823 P13692   [CEOI 2025] lawnmower 0 / 0 8
19183 P13693   [CEOI 2025] Equal Mex 0 / 0 8
19184 P13694   [CEOI 2025] Splits 0 / 0 9
19185 P13695   [CEOI 2025] theseus 0 / 0 9
18473 P13696   「CyOI」出包魔法师 0 / 0 7
18472 P13697   「CyOI」黑影杀 0 / 0 9
18439 P13698   「CyOI」追忆 0 / 0 8
18480 P13699   「CyOI」YZZYWW:Doomed Doom 0 / 0 9
19164 P13700   [NWERC 2023] Arranging Adapters 0 / 0 5
19165 P13701   [NWERC 2023] Brickwork 0 / 0 8
19166 P13702   [NWERC 2023] Chair Dance 0 / 0 8
19167 P13703   [NWERC 2023] Date Picker 0 / 0 5
19168 P13704   [NWERC 2023] Exponentiation 0 / 0 8
19169 P13705   [NWERC 2023] Fixing Fractions 0 / 0 6
19170 P13706   [NWERC 2023] Galaxy Quest 0 / 0 8
19171 P13707   [NWERC 2023] Higher Arithmetic 0 / 0 6
19172 P13708   [NWERC 2023] Isolated Island 0 / 0 8
19173 P13709   [NWERC 2023] Jogging Tour 0 / 0 7
19174 P13710   [NWERC 2023] Klompendans 0 / 0 3
19175 P13711   [NWERC 2023] Lateral Damage 0 / 0 3
18410 P13712   淘汰(Easy ver.) 0 / 0 3
18404 P13713   晴天 0 / 0 5
18414 P13714   淘汰(Hard ver.) 0 / 0 8
18519 P13715   In the End 0 / 0 9
19198 P13716   [GCPC 2024] Alien Attack 2 0 / 0 5
19199 P13717   [GCPC 2024] Bookshelf Bottleneck 0 / 0 3
19200 P13718   [GCPC 2024] Copycat Catcher 0 / 0 6
19201 P13719   [GCPC 2024] Dark Alley 0 / 0 7
19202 P13720   [GCPC 2024] Even Odd Game 0 / 0 7
19208 P13721   [GCPC 2024] Fair Fruitcake Fragmenting 0 / 0 9
19209 P13722   [GCPC 2024] Geometric Gridlock 0 / 0 7
19211 P13723   [GCPC 2024] Headline Heat 0 / 0 8
19212 P13724   [GCPC 2024] Interference 0 / 0 3
19213 P13725   [GCPC 2024] Jigsaw Present 0 / 0 8
19214 P13726   [GCPC 2024] Kitten of Chaos 0 / 0 3
19216 P13727   [GCPC 2024] Laundry 0 / 0 7
19217 P13728   [GCPC 2024] Musical Mending 0 / 0 5
18694 P13729   【MGVOI R1-A】超级奇数(odd) 0 / 0 3
19124 P13730   【MGVOI R1-B】完美重排(sort) 0 / 0 5
19012 P13731   【MGVOI R1-C】收集括号(brackets) 0 / 0 6
18834 P13732   【MGVOI R1-D】图上的数(graph) 0 / 0 7
19203 P13733   [JOIGST 2025] 扑克 / Poker 0 / 0 3
19204 P13734   [JOIGST 2025] 雪球 2 / Snowball 2 0 / 0 5
19205 P13735   [JOIGST 2025] 魔法阵 / Magic Circle 0 / 0 3
19207 P13736   [JOIGST 2025] 日本浮现 / Japan Emerges 0 / 0 6
19215 P13737   [JOIGST 2025] 茶话会 / Tea Party 0 / 0 5
19210 P13738   [JOIGST 2025] 电波塔 / Radio Towers 0 / 0 6
19222 P13739   [NWERC 2024] Alphabetical Aristocrats 0 / 0 3
19223 P13740   [NWERC 2024] Binary Search 0 / 0 8
19224 P13741   [NWERC 2024] Connect Five 0 / 0 7
19225 P13742   [NWERC 2024] Dutch Democracy 0 / 0 5
19226 P13743   [NWERC 2024] Evolving Etymology 0 / 0 3
19227 P13744   [NWERC 2024] Flowing Fountain 0 / 0 6
19228 P13745   [NWERC 2024] Glued Grid 0 / 0 8
19229 P13746   [NWERC 2024] Hash Collision 0 / 0 6
19230 P13747   [NWERC 2024] It's a Kind of Magic 0 / 0 7
19231 P13748   [NWERC 2024] Jib Job 0 / 0 3
19232 P13749   [NWERC 2024] Kruidnoten 0 / 0 6
19233 P13750   [NWERC 2024] Limited Library 0 / 0 5
19234 P13751   [NWERC 2024] Mouse Trap 0 / 0 7
18547 P13752   【MX-X17-T1】Walk,Walk,Walk 0 / 0 3
18546 P13753   【MX-X17-T2】The median of sum 0 / 0 3
18549 P13754   【MX-X17-T3】Distraction 0 / 0 6
18541 P13755   【MX-X17-T4】Yet another Game problem 0 / 0 7
19186 P13756   【MX-X17-T5】Matrix 0 / 0 8
18474 P13757   【MX-X17-T6】Selection 0 / 0 8
18382 P13758   【MX-X17-T7】夏终 0 / 0 9
18494 P13759   Basketball 0 / 0 3
18332 P13760   Clock Paradox 0 / 0 5
18293 P13761   Chess 0 / 0 5
19077 P13762   Extended Fibonacci 0 / 0 5
19246 P13763   [CERC 2021] Airline 0 / 0 7
19247 P13764   [CERC 2021] Building on the Moon 0 / 0 9
19248 P13765   [CERC 2021] Cactus cutting 0 / 0 9
19249 P13766   [CERC 2021] DJ Darko 0 / 0 8
19250 P13767   [CERC 2021] Fishing 0 / 0 7
19251 P13768   [CERC 2021] Letters 0 / 0 5
19252 P13769   [CERC 2021] Lines in a grid 0 / 0 8
19253 P13770   [CERC 2021] Radar 0 / 0 6
19254 P13771   [CERC 2021] Regional development 0 / 0 7
19255 P13772   [CERC 2021] Repetitions 0 / 0 8

Categories

Lucky

Pick a problem randomly based on the current filter.