Super-d numbers: Difference between revisions
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Line 176:
17546133 32613656 93568867 107225764 109255734 113315082 121251742 175461330 180917907 182557181
found in 135616 ms
</pre>
Line 285 ⟶ 221:
{{works with|Rakudo|2019.07.1}}
===Simple===
2 - 6
<lang perl6>sub super (
my
^∞ .hyper.grep: -> \n { (
}
(2..
my $now = now;
put "\nFirst 10 super-$_ numbers:\n{.&super[^10]}\n{(now - $now).round(.1)} sec."
}</lang>
<pre>First 10 super-2 numbers:
19 31 69 81 105 106 107 119 127 131
0.1 sec.
First 10 super-3 numbers:
261 462 471 481 558 753 1036 1046 1471 1645
0.1 sec.
First 10 super-4 numbers:
1168 4972 7423 7752 8431 10267 11317 11487 11549 11680
0.3 sec.
First 10 super-5 numbers:
4602 5517 7539 12955 14555 20137 20379 26629 32767 35689
0.6 sec.
First 10 super-6 numbers:
27257 272570 302693 323576 364509 502785 513675 537771 676657 678146
5.2 sec.
First 10 super-7 numbers:
140997 490996 1184321 1259609 1409970 1783166 1886654 1977538 2457756 2714763
17.1 sec.
First 10 super-8 numbers:
185423 641519 1551728 1854230 6415190 12043464 12147605 15517280 16561735 18542300
92.1 sec.
First 10 super-9 numbers:
17546133 32613656 93568867 107225764 109255734 113315082 121251742 175461330 180917907 182557181
704.7 sec.</pre>
===Concurrent===
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17546133 <killed>
</pre>
=={{header|Python}}==
<lang python>from itertools import islice, count
def superg(d):
if d != int(d) or not 2 <= d <= 9:
raise ValueError("argument must be integer from 2 to 9 inclusive")
tofind = str(d) * d
for n in count(2):
if tofind in str(d * n ** d):
yield n
if __name__ == '__main__':
for d in range(2, 9):
print(f"{d}:", ', '.join(str(n) for n in islice(superg(d), 10)))</lang>
{{out}}
<pre>2: 19, 31, 69, 81, 105, 106, 107, 119, 127, 131
3: 261, 462, 471, 481, 558, 753, 1036, 1046, 1471, 1645
4: 1168, 4972, 7423, 7752, 8431, 10267, 11317, 11487, 11549, 11680
5: 4602, 5517, 7539, 12955, 14555, 20137, 20379, 26629, 32767, 35689
6: 27257, 272570, 302693, 323576, 364509, 502785, 513675, 537771, 676657, 678146
7: 140997, 490996, 1184321, 1259609, 1409970, 1783166, 1886654, 1977538, 2457756, 2714763
8: 185423, 641519, 1551728, 1854230, 6415190, 12043464, 12147605, 15517280, 16561735, 18542300</pre>
=={{header|REXX}}==
<lang rexx>/*REXX program computes and displays the first N
numeric digits 100 /*ensure enough decimal digs for calc. */
parse arg n LO HI . /*obtain optional arguments from the CL*/
if n=='' | n=="," then n= 10 /*the number of
if LO=='' | LO=="," then LO= 2 /*low end of D for the
if HI=='' | HI=="," then HI= 9 /*high " " " " " " " */
/* [↓] process D from LO ──► HI. */
do d=LO for HI-1; #= 0;
z= copies(d, d) /*the string that is being searched for*/
do j=2 until #==n
if pos(z, d * j**d)==0 then iterate
#= # + 1; $= $ j
end /*j*/
say
say center(' the first ' n " super-"d 'numbers ', digits(), "═")
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