JOI 2009 Spring Camp
Day 1
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 数列 (Sequence) | — | |
| 2 | 判子 (Stamps) | — | |
| 3 | 貫きピラミッド (Pyramid) | — |
Day 2
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 誘拐 (Abduction) | — | |
| 2 | 宣伝 (Advertisement) | — | |
| 3 | コンテスト (Contest) | — |
Day 3
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 縄張り (Territory) | — | |
| 2 | スキー (Ski) | — | |
| 3 | ロゴマーク (Logo) | — |
Day 4
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 冊子の配布 (Distribution) | — | |
| 2 | 塗り箸 (Chopsticks) | — | |
| 3 | 星空 (Starry Sky) | — |