ぴょんぴょん川渡り
UnratedLanguage limit
日本語
Language
Contribute a translation- Time limit
- 1000 ms
- Memory limit
- 64 MB (no extra memory)
- Submissions
- 0
- Correct
- 0
- Solved by
- 0
- AC rate
- —
Statement
Examples
Sample input 1
5 1 2 1 3 2 2 1 3 2 1 1 7 1 2 1 1 4 4
Sample output 1
17
Sample input 2
5 0 2 1 3 2 2 1 3 2 1 1 7 1 2 1 1 4 4
Sample output 2
40
Notes
原典：JOI 2007/2008 本選、情報オリンピック日本委員会。CC BY-SA 4.0。
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Source
This problem accepts only these languages.
C++20