| Iden | Name | Platform | Difficulty | Limits |
|---|---|---|---|---|
| arc066_c | Addition and Subtraction Hard | AtCoder | — | 2000ms / 256MB |
| arc066_d | Contest with Drinks Hard | AtCoder | — | 2000ms / 256MB |
| arc067_a | Factors of Factorial | AtCoder | — | 2000ms / 256MB |
| arc067_b | Walk and Teleport | AtCoder | — | 2000ms / 256MB |
| arc067_c | Grouping | AtCoder | — | 2000ms / 256MB |
| arc067_d | Yakiniku Restaurants | AtCoder | — | 2000ms / 256MB |
| arc068_a | X: Yet Another Die Game | AtCoder | — | 2000ms / 256MB |
| arc068_b | Card Eater | AtCoder | — | 2000ms / 256MB |
| arc068_c | Snuke Line | AtCoder | — | 2000ms / 256MB |
| arc068_d | Solitaire | AtCoder | — | 2000ms / 256MB |
| arc069_a | Scc Puzzle | AtCoder | — | 2000ms / 256MB |
| arc069_b | Menagerie | AtCoder | — | 2000ms / 256MB |
| arc069_c | Frequency | AtCoder | — | 2000ms / 256MB |
| arc069_d | Flags | AtCoder | — | 5000ms / 256MB |
| arc070_a | Go Home | AtCoder | — | 2000ms / 256MB |
| arc070_b | No Need | AtCoder | — | 2000ms / 256MB |
| arc070_c | NarrowRectangles | AtCoder | — | 2000ms / 256MB |
| arc070_d | HonestOrUnkind | AtCoder | — | 2000ms / 256MB |
| arc071_a | Dubious Document | AtCoder | — | 2000ms / 256MB |
| arc071_b | ### | AtCoder | — | 2000ms / 256MB |
| arc071_c | TrBBnsformBBtion | AtCoder | — | 2000ms / 256MB |
| arc071_d | Infinite Sequence | AtCoder | — | 2000ms / 256MB |
| arc072_a | Sequence | AtCoder | — | 2000ms / 256MB |
| arc072_b | Alice&Brown | AtCoder | — | 2000ms / 256MB |
| arc072_c | Alice in linear land | AtCoder | — | 2000ms / 256MB |
| arc072_d | Dam | AtCoder | — | 3000ms / 256MB |
| arc073_a | Sentou | AtCoder | — | 2000ms / 256MB |
| arc073_b | Simple Knapsack | AtCoder | — | 2000ms / 256MB |
| arc073_c | Ball Coloring | AtCoder | — | 2000ms / 256MB |
| arc073_d | Many Moves | AtCoder | — | 2000ms / 256MB |
| arc074_a | Chocolate Bar | AtCoder | — | 2000ms / 256MB |
| arc074_b | 3N Numbers | AtCoder | — | 2000ms / 256MB |
| arc074_c | RGB Sequence | AtCoder | — | 2000ms / 256MB |
| arc074_d | Lotus Leaves | AtCoder | — | 2000ms / 256MB |
| arc075_a | Bugged | AtCoder | — | 2000ms / 256MB |
| arc075_b | Widespread | AtCoder | — | 2000ms / 256MB |
| arc075_c | Meaningful Mean | AtCoder | — | 2000ms / 256MB |
| arc075_d | Mirrored | AtCoder | — | 2000ms / 256MB |
| arc076_a | Reconciled? | AtCoder | — | 2000ms / 256MB |
| arc076_b | Built? | AtCoder | — | 2000ms / 256MB |
| arc076_c | Connected? | AtCoder | — | 2000ms / 256MB |
| arc076_d | Exhausted? | AtCoder | — | 2000ms / 256MB |
| arc077_a | pushpush | AtCoder | — | 2000ms / 256MB |
| arc077_b | 11 | AtCoder | — | 2000ms / 256MB |
| arc077_c | guruguru | AtCoder | — | 2000ms / 256MB |
| arc077_d | SS | AtCoder | — | 2000ms / 256MB |
| arc078_a | Splitting Pile | AtCoder | — | 2000ms / 256MB |
| arc078_b | Fennec VS. Snuke | AtCoder | — | 2000ms / 256MB |
| arc078_c | Awkward Response | AtCoder | — | 2000ms / 256MB |
| arc078_d | Mole and Abandoned Mine | AtCoder | — | 4000ms / 256MB |