Fibonacci n-step number sequences: Difference between revisions
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→{{header|Perl}}: clearer code & output
(Several modifications to make the program compile with Nim version 1.4.) |
SqrtNegInf (talk | contribs) m (→{{header|Perl}}: clearer code & output) |
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=={{header|Perl}}==
<lang perl>use
use warnings;
use
use List::Util <max sum>;
sub fib {
my $n = shift;
my $xs = shift // [1];
my @xs = @
▲ while (my $len = scalar @xs) {
▲ sum(@xs[max($len - $n, 0)..$len-1])
}
@xs
}
say $_-1 . ': ' . join(' ', fib $_ ) for 2..10;
say "\nLucas: "
{{out}}▼
<pre>1: 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584 4181 6765▼
2: 1 1 2 4 7 13 24 44 81 149 274 504 927 1705 3136 5768 10609 19513 35890 66012▼
3: 1 1 2 4 8 15 29 56 108 208 401 773 1490 2872 5536 10671 20569 39648 76424 147312▼
4: 1 1 2 4 8 16 31 61 120 236 464 912 1793 3525 6930 13624 26784 52656 103519 203513▼
5: 1 1 2 4 8 16 32 63 125 248 492 976 1936 3840 7617 15109 29970 59448 117920 233904▼
6: 1 1 2 4 8 16 32 64 127 253 504 1004 2000 3984 7936 15808 31489 62725 124946 248888▼
7: 1 1 2 4 8 16 32 64 128 255 509 1016 2028 4048 8080 16128 32192 64256 128257 256005▼
8: 1 1 2 4 8 16 32 64 128 256 511 1021 2040 4076 8144 16272 32512 64960 129792 259328▼
9: 1 1 2 4 8 16 32 64 128 256 512 1023 2045 4088 8172 16336 32656 65280 130496 260864▼
Lucas: 2 1 3 4 7 11 18 29 47 76 123 199 322 521 843 1364 2207 3571 5778 9349</pre>▼
▲{{out}}
▲<pre>1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584 4181 6765
▲1 1 2 4 7 13 24 44 81 149 274 504 927 1705 3136 5768 10609 19513 35890 66012
▲1 1 2 4 8 15 29 56 108 208 401 773 1490 2872 5536 10671 20569 39648 76424 147312
▲1 1 2 4 8 16 31 61 120 236 464 912 1793 3525 6930 13624 26784 52656 103519 203513
▲1 1 2 4 8 16 32 63 125 248 492 976 1936 3840 7617 15109 29970 59448 117920 233904
▲1 1 2 4 8 16 32 64 127 253 504 1004 2000 3984 7936 15808 31489 62725 124946 248888
▲1 1 2 4 8 16 32 64 128 255 509 1016 2028 4048 8080 16128 32192 64256 128257 256005
▲1 1 2 4 8 16 32 64 128 256 511 1021 2040 4076 8144 16272 32512 64960 129792 259328
▲1 1 2 4 8 16 32 64 128 256 512 1023 2045 4088 8172 16336 32656 65280 130496 260864
▲2 1 3 4 7 11 18 29 47 76 123 199 322 521 843 1364 2207 3571 5778 9349</pre>
=={{header|Phix}}==
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