| Ⓐ ◉ AtCoder Beginner Contest 293 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 292 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 157 | 02:00 | - 2799 |
| Ⓐ ◉ Toyota Programming Contest 2023 Spring Qual B（AtCoder Beginner Contest 290） | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 156 | 02:00 | - 2799 |
| Ⓗ ◉ RECRUIT Nihonbashi Half Marathon 2023 Winter（AtCoder Heuristic Contest 018） | 199:00 | All |
| Ⓐ ◉ AtCoder Grand Contest 061 | 03:00 | 1200 - |
| Ⓐ ◉ Ｓｋｙ Inc, Programming Contest 2023（AtCoder Beginner Contest 289） | 01:40 | - 1999 |
| Ⓐ ◉ Toyota Programming Contest 2023 Spring Qual A（AtCoder Beginner Contest 288） | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 155 | 02:00 | - 2799 |
| Ⓐ ◉ UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) | 01:40 | - 1999 |
| Ⓗ ◉ THIRD PROGRAMMING CONTEST 2022（AtCoder Heuristic Contest 017） | 200:00 | All |
| Ⓐ ◉ AtCoder Regular Contest 154 | 02:00 | - 2799 |
| Ⓐ ◉ UL Systems Programming Contest 2023(AtCoder Beginner Contest 286) | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 285 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 153 | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 284 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 060 | 03:00 | 1200 - |
| Ⓐ ◉ UNIQUE VISION Programming Contest 2022 Winter(AtCoder Beginner Contest 283) | 01:40 | - 1999 |
| Ⓗ ◉ Hitachi Hokudai Lab. & Hokkaido University Contest 2022 | 743:59 | - |
| Ⓐ ◉ HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 281 | 01:40 | - 1999 |
| Ⓗ ◉ HACK TO THE FUTURE 2023 Final (Open Contest) | 08:00 | - |
| Ⓐ ◉ AtCoder Grand Contest 059 | 03:00 | 1200 - |
| Ⓐ ◉ Denso Create Programming Contest 2022 Winter(AtCoder Beginner Contest 280) | 01:40 | - 1999 |
| Ⓐ ◉ TOYOTA SYSTEMS Programming Contest 2022(AtCoder Beginner Contest 279) | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 152 | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 278 | 01:40 | - 1999 |
| Ⓐ ◉ Daiwa Securities Co. Ltd. Programming Contest 2022 Autumn (AtCoder Beginner Contest 277) | 01:40 | - 1999 |
| Ⓗ ◉ HACK TO THE FUTURE 2023 qual（AtCoder Heuristic Contest 016） | 216:00 | All |
| Ⓐ ◉ AtCoder Beginner Contest 276 | 01:40 | - 1999 |
| Ⓗ ◉ TOYOTA MOTOR CORPORATION Programming Contest 2022（AtCoder Heuristic Contest 015） | 04:00 | All |
| Ⓐ ◉ AtCoder Beginner Contest 275 | 01:40 | - 1999 |
| Ⓐ ◉ キーエンスプログラミングコンテスト2022（AtCoder Beginner Contest 274） | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 151 | 02:00 | - 2799 |
| Ⓐ ◉ Panasonic Programming Contest 2022(AtCoder Beginner Contest 273) | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 150 | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 272 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 149 | 02:00 | - 2799 |
| Ⓐ ◉ KYOCERA Programming Contest 2022（AtCoder Beginner Contest 271） | 01:40 | - 1999 |
| Ⓐ ◉ TOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270) | 01:40 | - 1999 |
| Ⓐ ◉ UNICORN Programming Contest 2022(AtCoder Beginner Contest 269) | 01:40 | - 1999 |
| Ⓗ ◉ estie Programming Contest 2022（AtCoder Heuristic Contest 014） | 340:00 | All |
| Ⓐ ◉ AtCoder Regular Contest 148 | 02:00 | - 2799 |
| Ⓐ ◉ UNIQUE VISION Programming Contest 2022 Summer (AtCoder Beginner Contest 268) | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Regular Contest 147 | 02:00 | - 2799 |
| Ⓐ ◉ NEC Programming Contest 2022 (AtCoder Beginner Contest 267) | 01:40 | - 1999 |
| Ⓗ ◉ 9th Asprova Programming Contest | 178:00 | - |
| Ⓐ ◉ AtCoder Beginner Contest 266 | 01:40 | - 1999 |