柵 (Fences)
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日本語
Language
Contribute a translation- Time limit
- 1000 ms
- Memory limit
- 256 MB
- Submissions
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- Correct
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- Solved by
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- AC rate
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Statement
Examples
Sample input 1
3 4 -3 5 1 8 -4 3 -4 6 5 1 7 2
Sample output 1
29.0000000000
Sample input 2
1 2 -3 -3 -3 -2
Sample output 2
16.0000000000
Sample input 3
4 3 4 -1 3 4 -4 2 -2 4 -4 0 -5 6 0 -6 5 -2
Sample output 3
14.1392801789
Sample input 4
10 80 175 95 60 -146 -106 57 18 185 190 -68 177 -142 84 -195 127 -179 34 143 126 69 -92 133 -190 80 -157 -66 -119 -161 -85 -124 129 -171 141 181 175 175 107 -38 150 148
Sample output 4
238.4778364511
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