Sunt incepator in php, asa incat programelul de mai jos poate avea probleme (sper ca nu, totusi). Conform cu acest program, problema nu are solutie.
<?php
for ($t=1, $r=0, $e=0,$i=0, $d=1, $o=0, $u=1, $n=0, $s=1, $a=0; $t<10 && $r<10 && $e<10 && $i<10 && $d<10 && $o<10 && $u<10 && $n<10 && $s<10 && $a<10; $t++, $r++, $e++, $i++, $d++, $o++, $u++, $n++, $s++, $a++)
{
if($t*1000+$r*100+$e*10+$i+$d*100+$o*10+$i+$u*100+$n*10+$u==$s*1000+$a*100+$s*10+$e)
{echo $t,$r,$e,$i,"+<br/>",$d,$o,$i,"<br/>",$u,$n,$u,"<br/><hr>",$s,$a,$s,$e;}
else {
echo "Nu are solutie";
}
}
?>