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γΊO1-V
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306(2): 2020/01/11(y)13:07 ID:JM9/51Sk(4/6) AAS
use feature qw{say signatures};
sub rev($s) {
$s ne '' and subtr ($s, -1, 1, '') . rev($s);
}
say rev('string');
307: 2020/01/11(y)13:09 ID:JM9/51Sk(5/6) AAS
>>306
use feature qw{say signatures};
sub rev($s) {
@$s ne '' and substr ($s, -1, 1, '') . rev($s);
}
say rev('string');
308: 2020/01/11(y)13:11 ID:JM9/51Sk(6/6) AAS
>>306
>>594
substr(
γΊO1-VΦΚΒυέxπ
½Ϊξρ ΤΪ½o ζΪ½o πΜ’Η½Ϊ AA»ΡΘ²Ω
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