Tasks
| Task Name | Time Limit | Memory Limit | |
|---|---|---|---|
| A01 | The First Problem | 1 sec | 1024 MiB |
| A02 | Linear Search | 1 sec | 1024 MiB |
| A03 | Two Cards | 1 sec | 1024 MiB |
| A04 | Binary Representation 1 | 1 sec | 1024 MiB |
| A05 | Three Cards | 2 sec | 1024 MiB |
| A06 | How Many Guests? | 2 sec | 1024 MiB |
| A07 | Event Attendance | 2 sec | 1024 MiB |
| A08 | Two Dimensional Sum | 10 sec | 1024 MiB |
| A09 | Winter in ALGO Kingdom | 10 sec | 1024 MiB |
| A10 | Resort Hotel | 2 sec | 1024 MiB |
| A11 | Binary Search 1 | 1 sec | 1024 MiB |
| A12 | Printer | 1 sec | 1024 MiB |
| A13 | Close Pairs | 1 sec | 1024 MiB |
| A14 | Four Boxes | 5 sec | 1024 MiB |
| A15 | Compression | 2 sec | 1024 MiB |
| A16 | Dungeon 1（※初版第 1 刷の B22 も同じ問題です） | 1 sec | 1024 MiB |
| A17 | Dungeon 2 | 1 sec | 1024 MiB |
| A18 | Subset Sum | 1 sec | 1024 MiB |
| A19 | Knapsack 1 | 10 sec | 1024 MiB |
| A20 | LCS | 10 sec | 1024 MiB |
| A21 | Block Game | 10 sec | 1024 MiB |
| A22 | Sugoroku | 1 sec | 1024 MiB |
| A23 | All Free | 1 sec | 1024 MiB |
| A24 | LIS | 1 sec | 1024 MiB |
| A25 | Number of Routes | 1 sec | 1024 MiB |
| A26 | Prime Check | 1 sec | 1024 MiB |
| A27 | Calculate GCD | 1 sec | 1024 MiB |
| A28 | Blackboard | 2 sec | 1024 MiB |
| A29 | Power | 1 sec | 1024 MiB |
| A30 | Combination | 1 sec | 1024 MiB |
| A31 | Divisors | 1 sec | 1024 MiB |
| A32 | Game 1 | 1 sec | 1024 MiB |
| A33 | Game 2 | 1 sec | 1024 MiB |
| A34 | Game 3 | 1 sec | 1024 MiB |
| A35 | Game 4 | 2 sec | 1024 MiB |
| A36 | Travel | 1 sec | 1024 MiB |
| A37 | Travel 2 | 1 sec | 1024 MiB |
| A38 | Black Company 1 | 1 sec | 1024 MiB |
| A39 | Interval Scheduling Problem | 2 sec | 1024 MiB |
| A40 | Triangle | 1 sec | 1024 MiB |
| A41 | Tile Coloring | 1 sec | 1024 MiB |
| A42 | Soccer | 1 sec | 1024 MiB |
| A43 | Travel 3 | 1 sec | 1024 MiB |
| A44 | Change and Reverse | 1 sec | 1024 MiB |
| A45 | Card Elimination | 1 sec | 1024 MiB |
| A46 | Heuristic 1 | 1 sec | 1024 MiB |
| A49 | Heuristic 2 | 1 sec | 1024 MiB |
| A50 | 山型足し算 | 6 sec | 1024 MiB |
| A51 | Stack | 2 sec | 1024 MiB |
| A52 | Queue | 2 sec | 1024 MiB |
| A53 | Priority Queue | 2 sec | 1024 MiB |
| A54 | Map | 2 sec | 1024 MiB |
| A55 | Set | 3 sec | 1024 MiB |
| A56 | String Hash | 2 sec | 1024 MiB |
| A57 | Doubling | 2 sec | 1024 MiB |
| A58 | RMQ (Range Maximum Queries) | 3 sec | 1024 MiB |
| A59 | RSQ (Range Sum Queries) | 3 sec | 1024 MiB |
| A60 | Stock Price | 1 sec | 1024 MiB |
| A61 | Adjacent Vertices | 1 sec | 1024 MiB |
| A62 | Depth First Search | 1 sec | 1024 MiB |
| A63 | Shortest Path 1 | 1 sec | 1024 MiB |
| A64 | Shortest Path 2 | 3 sec | 1024 MiB |
| A65 | Road to Promotion | 1 sec | 1024 MiB |
| A66 | Connect Query | 1 sec | 1024 MiB |
| A67 | MST (Minimum Spanning Tree) | 1 sec | 1024 MiB |
| A68 | Maximum Flow | 1 sec | 1024 MiB |
| A69 | Bipartite Matching | 1 sec | 1024 MiB |
| A70 | Lanterns | 1 sec | 1024 MiB |
| A71 | Homework | 1 sec | 1024 MiB |
| A72 | Tile Painting | 1 sec | 1024 MiB |
| A73 | Marathon Route | 1 sec | 1024 MiB |
| A74 | Board Game | 1 sec | 1024 MiB |
| A75 | Examination | 1 sec | 1024 MiB |
| A76 | River Crossing | 1 sec | 1024 MiB |
| A77 | Yokan Party（★4） | 2 sec | 1024 MiB |
| B01 | A+B Problem | 1 sec | 1024 MiB |
| B02 | Divisor Check | 1 sec | 1024 MiB |
| B03 | Supermarket 1 | 1 sec | 1024 MiB |
| B04 | Binary Representation 2 | 1 sec | 1024 MiB |
| B06 | Lottery | 2 sec | 1024 MiB |
| B07 | Convenience Store 2 | 6 sec | 1024 MiB |
| B08 | Counting Points | 5 sec | 1024 MiB |
| B09 | Papers | 5 sec | 1024 MiB |
| B11 | Binary Search 2 | 1 sec | 1024 MiB |
| B12 | Equation | 2 sec | 1024 MiB |
| B13 | Supermarket 2 | 1 sec | 1024 MiB |
| B14 | Another Subset Sum | 1 sec | 1024 MiB |
| B16 | Frog 1 | 2 sec | 1024 MiB |
| B17 | Frog 1 with Restoration | 1 sec | 1024 MiB |
| B18 | Subset Sum with Restoration | 1 sec | 1024 MiB |
| B19 | Knapsack 2 | 10 sec | 1024 MiB |
| B20 | Edit Distance | 1 sec | 1024 MiB |
| B21 | Longest Subpalindrome | 1 sec | 1024 MiB |
| B23 | Traveling Salesman Problem | 10 sec | 1024 MiB |
| B24 | Many Boxes | 1 sec | 1024 MiB |
| B26 | Output Prime Numbers | 1 sec | 1024 MiB |
| B27 | Calculate LCM | 1 sec | 1024 MiB |
| B28 | Fibonacci Easy (mod 1000000007) | 10 sec | 1024 MiB |
| B29 | Power Hard | 1 sec | 1024 MiB |
| B30 | Combination 2 | 1 sec | 1024 MiB |
| B31 | Divisors Hard | 1 sec | 1024 MiB |
| B32 | Game 5 | 5 sec | 1024 MiB |
| B33 | Game 6 | 1 sec | 1024 MiB |
| B34 | Game 7 | 1 sec | 1024 MiB |
| B36 | Switching Lights | 1 sec | 1024 MiB |
| B37 | Sum of Digits | 1 sec | 1024 MiB |
| B38 | Heights of Grass | 1 sec | 1024 MiB |
| B39 | Taro's Job | 2 sec | 1024 MiB |
| B40 | Divide by 100 | 1 sec | 1024 MiB |
| B41 | Reverse of Euclid | 10 sec | 1024 MiB |
| B42 | Two Faced Cards | 1 sec | 1024 MiB |
| B43 | Quiz Contest | 1 sec | 1024 MiB |
| B44 | Grid Operations | 1 sec | 1024 MiB |
| B45 | Blackboard 2 | 1 sec | 1024 MiB |
| B51 | Bracket | 2 sec | 1024 MiB |
| B52 | Ball Simulation | 2 sec | 1024 MiB |
| B54 | Counting Same Values | 2 sec | 1024 MiB |
| B55 | Difference | 1 sec | 1024 MiB |
| B56 | Palindrome Queries | 2 sec | 1024 MiB |
| B57 | Calculator | 4 sec | 1024 MiB |
| B58 | Jumping | 2.5 sec | 1024 MiB |
| B59 | Number of Inversions | 4 sec | 1024 MiB |
| B61 | Influencer | 1 sec | 1024 MiB |
| B62 | Print a Path | 1 sec | 1024 MiB |
| B63 | 幅優先探索 | 2 sec | 256 MiB |
| B64 | Shortest Path with Restoration | 3 sec | 1024 MiB |
| B65 | Road to Promotion Hard | 2 sec | 1024 MiB |
| B66 | Typhoon | 2 sec | 1024 MiB |
| B67 | Max MST | 1 sec | 1024 MiB |
| B68 | ALGO Express | 1 sec | 1024 MiB |
| B69 | Black Company 2 | 1 sec | 1024 MiB |
| C01 | Tax Rate | 1 sec | 1024 MiB |
| C02 | Two Balls | 1 sec | 1024 MiB |
| C03 | Stock Queries | 1 sec | 1024 MiB |
| C04 | Divisor Enumeration | 1 sec | 1024 MiB |
| C05 | Lucky Numbers | 1 sec | 1024 MiB |
| C06 | Regular Graph | 1 sec | 1024 MiB |
| C07 | ALGO-MARKET | 3 sec | 1024 MiB |
| C08 | ALGO4 | 1 sec | 1024 MiB |
| C09 | Taro's Vacation | 2 sec | 1024 MiB |
| C10 | A Long Grid | 1 sec | 1024 MiB |
| C11 | Election | 3 sec | 1024 MiB |
| C12 | Taro the Novel Writer | 3 sec | 1024 MiB |
| C13 | Select 2 | 1 sec | 1024 MiB |
| C14 | Commute Route | 1 sec | 1024 MiB |
| C15 | Many Meetings | 1 sec | 1024 MiB |
| C16 | Flights | 5 sec | 1024 MiB |
| C17 | Strange Data Structure? | 2 sec | 1024 MiB |
| C18 | Pick Two（★6） | 2 sec | 1024 MiB |
| C19 | Gasoline Optimization Problem | 10 sec | 1024 MiB |
| C20 | Mayor's Challenge | 1 sec | 1024 MiB |