JOI 2020 First Preliminary Round
Sources › Olympiad › Japanese Olympiad in Informatics › JOI 2019-2020 Season
Round 1
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 3 つの整数 (Three Integers) | — | |
| 2 | 母音を数える (Counting Vowels) | — | |
| 3 | マージ (Merge) | — |
Round 2
| # | Title | Type | Difficulty |
|---|---|---|---|
| 1 | 試験 (Exam) | — | |
| 2 | 文字列の反転 (Inversion of a String) | — | |
| 3 | 最頻値 (Mode) | — |