Anonymous user
Super-d numbers: Difference between revisions
→{{header|Go}}: Restored Pascal.
(→{{header|Go}}: Restored Pascal.) |
|||
Line 176:
17546133 32613656 93568867 107225764 109255734 113315082 121251742 175461330 180917907 182557181
found in 135616 ms
</pre>
=={{header|Pascal}}==
{{works with|Free Pascal}}
gmp is fast.Same brute force as [http://rosettacode.org/mw/index.php?title=Super-d_numbers&action=submit#Go Go]
<lang pascal>program Super_D;
uses
sysutils,gmp;
var
s :string[127]; //max is 9*182557181^9 } < 100 decimal digits
s_comp : string[9];
pS : pChar;
test : mpz_t;
i,j,dgt,cnt : NativeUint;
Begin
For i := 1 to 127 do
s[i] := #0;
pS := @s[1];
mpz_init(test);
for dgt := 2 to 9 do
Begin
cnt := 0;
s_comp := '';
For i := 1 to dgt do
s_comp := s_comp+chr(48+dgt);
writeln('Finding ',s_comp,' in ',dgt,'*i**',dgt);
repeat
mpz_ui_pow_ui(test,i,dgt);
mpz_mul_ui(test,test,dgt);
j := mpz_sizeinbase (test,10);
s[0] := char(j);//set length
mpz_get_str(pS,10,test);
IF Pos(s_comp,s) <> 0 then
Begin
write(i,' ');
inc(cnt);
end;
inc(i);
until cnt = 10;
writeln;
end;
mpz_clear(test);
End.
</lang>
{{out}}
<pre>Finding 22 in 2*i**2
19 31 69 81 105 106 107 119 127 131
Finding 333 in 3*i**3
261 462 471 481 558 753 1036 1046 1471 1645
Finding 4444 in 4*i**4
1168 4972 7423 7752 8431 10267 11317 11487 11549 11680
Finding 55555 in 5*i**5
4602 5517 7539 12955 14555 20137 20379 26629 32767 35689
Finding 666666 in 6*i**6
27257 272570 302693 323576 364509 502785 513675 537771 676657 678146
Finding 7777777 in 7*i**7
140997 490996 1184321 1259609 1409970 1783166 1886654 1977538 2457756 2714763
Finding 88888888 in 8*i**8
185423 641519 1551728 1854230 6415190 12043464 12147605 15517280 16561735 18542300
Finding 999999999 in 9*i**9
17546133 32613656 93568867 107225764 109255734 113315082 121251742 175461330 180917907 182557181
real 1m7,224s
</pre>
| |||