input:

2000
1 2 2 4 5 2 3 6 4 2 7 2 8 14 8 12 1 14 4 14 8 18 9 2 7 22 20 22 14 29 28 16 6 21 23 6 21 14 13 9 1 4 18 13 2 39 21 33 18 20 38 27 27 1 49 5 51 3 31 24 10 42 2 44 13 9 35 66 27 60 67 59 29 40 53 2 33 43 26 43 62 16 78 45 14 10 73 69 41 35 25 26 2 70 54 1 54 48 5 36 44 28 90 29 51 51 93 82 95 45 ...

output:

5.64359e+08
5.43953e+08
5.41186e+08
8.51299e+08
7.73377e+08
6.84815e+08
6.10446e+08
5.54354e+08
5.71564e+08
6.87562e+08
4.52478e+08
6.70538e+08
9.91367e+08
8.64477e+08
6.76473e+08
6.66867e+08
9.36403e+08
7.57553e+08
6.75359e+08
6.92791e+08
6.6529e+08
7.89168e+08
4.29281e+08
7.20852e+08
4.74281e+08
6...

result:

wrong answer 1st numbers differ - expected: '883838885.9230770', found: '564359000.0000000', error = '0.3614685'

input:

200000
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52...

output:

result: