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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Which language?
Testing for signature: [14.0, 18.0, 5.0, 11.0, 13.0, 2.0, 12.0, 2.0, 13.0, 0.0, 2.0, 9.0, 10.0, 19.0, 1.0, 13.0, 3.0, 16.0, 3.0] and n: 67
14.0 18.0 5.0 11.0 13.0 2.0 12.0 2.0 13.0 0.0 2.0 9.0 10.0 19.0 1.0 13.0 3.0 16.0 3.0 166.0 318.0 618.0 1231.0 2451.0 4889.0 9776.0 19540.0 39078.0 78143.0 156286.0 312570.0 625131.0 1250252.0 2500485.0 5000969.0 1.0001925E7 2.0003847E7 4.0007678E7 8.0015353E7 1.6003054E8 3.20060762E8 6.40120906E8 1.280240581E9 2.560478711E9 5.120952533E9 1.024189529E10 2.048377104E10 4.0967503002E10 8.1934927861E10 1.63869699436E11 3.27739086302E11 6.55477547473E11 1.310953844694E12 2.621905188903E12 5.243805376837E12 1.0487600751749E13 2.0975181499651E13 4.1950322991624E13 8.3900565967895E13 1.6780097190525E14 3.35601623749738E14 6.7120260737857E14 1.342403934516559E15 2.684805308554407E15 5.369605496156281E15 1.0739200750417272E16 2.1478381017063504E16 expected:<1.0739200750417274E16> but was:<1.0739200750417272E16>
i think int n is too large that it will be wrong when implement sum x previous
i like your solution :).
i think break out for when s.contains(String.valueOf(i)) = true.