JOI 2015 Preliminary Round
Sources › Olympiad › Japanese Olympiad in Informatics › JOI 2014-2015 Season
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 水道料金 (Water Rate) | — | |
| 2 | クリスマスパーティー (Christmas Party) | — | |
| 3 | 気象予報士 (Weather Forecaster) | — | |
| 4 | シルクロード (Silk Road) | — | |
| 5 | 砂の城 (Sandcastle) | — | |
| 6 | 財宝 (Treasures) | — |