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- function isLucky($n) {
- $n = str_split($n);
- $c = count($na) / 2; //viết nhầm na
- $sum1 = 0;
- $sum2 = 0;
- for ($i = 0; $i < $c; $i++){
- $sum1 =$sum1+ $n[$i];
- }
- for ($j = $c; $j < count($n); $j++){
- $sum2 =$sum2+ $n[$j];
- }
- if ($sum1 == $sum2) {
- return true;
- }
- else {
- return false;
- }
- }
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