| Ⓐ ◉ AtCoder Beginner Contest 156 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 155 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 154 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 153 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 152 | 01:40 | - 1999 |
| Ⓐ ◉ Keyence Programming Contest 2020 | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 151 | 01:40 | - 1999 |
| Ⓐ ◉ Dwango Programming Contest 6th | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 150 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 149 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 041 | 02:30 | All |
| Ⓐ ◉ AtCoder Beginner Contest 148 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 147 | 01:40 | - 1999 |
| Ⓐ ◉ Sumitomo Mitsui Trust Bank Programming Contest 2019 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 146 | 01:40 | - 1999 |
| Ⓐ ◉ DISCO Presents Discovery Channel Code Contest 2020 Qual | 01:40 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 145 | 01:40 | - 1999 |
| Ⓐ ◉ NIKKEI Programming Contest 2019-2 | 02:00 | - 2799 |
| Ⓗ ◉ Hitachi Hokudai Labo & Hokkaido University Contest 2019-1 | 335:59 | - |
| Ⓐ ◉ AtCoder Grand Contest 040 | 02:30 | All |
| Ⓐ ◉ AtCoder Beginner Contest 144 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 143 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 039 | 02:30 | All |
| Ⓐ ◉ AtCoder Beginner Contest 142 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 038 | 01:50 | All |
| Ⓐ ◉ AtCoder Beginner Contest 141 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 140 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 139 | 01:40 | - 1999 |
| Ⓐ ◉ Japanese Student Championship 2019 Qualification | 01:40 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 138 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 037 | 02:30 | All |
| Ⓐ ◉ AtCoder Beginner Contest 137 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 136 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 135 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 036 | 02:40 | All |
| Ⓐ ◉ AtCoder Beginner Contest 134 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 035 | 02:10 | All |
| Ⓐ ◉ AtCoder Beginner Contest 133 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 132 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 131 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 130 | 01:40 | - 1999 |
| Ⓐ ◉ diverta 2019 Programming Contest 2 | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 129 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Grand Contest 034 | 02:00 | All |
| Ⓐ ◉ M-SOLUTIONS Programming Contest | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Beginner Contest 128 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 127 | 01:40 | - 1999 |
| Ⓐ ◉ AtCoder Beginner Contest 126 | 01:40 | - 1999 |
| Ⓐ ◉ diverta 2019 Programming Contest | 02:00 | - 2799 |
| Ⓐ ◉ AtCoder Grand Contest 033 | 02:30 | All |