RosettaCodeData/Task/Descending-primes/EasyLang/descending-primes.easy
2025-06-11 20:16:52 -04:00

27 lines
465 B
Text

proc sort &d[] .
for i = 1 to len d[] - 1 : for j = i + 1 to len d[]
if d[j] < d[i] : swap d[j] d[i]
.
.
func isprim num .
if num < 2 : return 0
i = 2
while i <= sqrt num
if num mod i = 0 : return 0
i += 1
.
return 1
.
p[] = [ ]
proc nextdesc n .
if isprim n = 1 : p[] &= n
if n > 987654321 : return
for d = n mod 10 - 1 downto 1
nextdesc n * 10 + d
.
.
for i = 9 downto 1
nextdesc i
.
sort p[]
print p[]