Strange plus numbers: Difference between revisions
Add Draco
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readln;
end.</lang>
=={{header|Draco}}==
<lang draco>proc small_prime(word n) bool:
word primes = 0x8A2B;
n>=2 and primes >> (n-2) & 1 = 1
corp
proc strange_plus(word n) bool:
word dl, dr;
bool pair_prime;
dl := n % 10;
while
dr := dl;
n := n / 10;
dl := n % 10;
pair_prime := small_prime(dl + dr);
pair_prime and n >= 10
do od;
pair_prime and n < 10
corp
proc main() void:
byte col;
word cand;
col := 0;
for cand from 101 upto 499 do
if strange_plus(cand) then
write(cand:4);
col := col + 1;
if col = 10 then writeln(); col := 0 fi
fi
od
corp</lang>
{{out}}
<pre> 111 112 114 116 120 121 123 125 129 141
143 147 149 161 165 167 202 203 205 207
211 212 214 216 230 232 234 238 250 252
256 258 292 294 298 302 303 305 307 320
321 323 325 329 341 343 347 349 383 385
389 411 412 414 416 430 432 434 438 470
474 476 492 494 498</pre>
=={{header|F_Sharp|F#}}==
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