HR30 Day 19: Interfaces 문서 원본 보기

==개요==
;<nowiki>HR30 Day 19: Interfaces</nowiki>
* https://www.hackerrank.com/challenges/30-interfaces/problem
* 참고: [[HR자바 Java Interface]]

{{HR30 헤더}}
{{HR30 10-19}}
|}

==Java==
{{참고|HR30 Day 19: Interfaces/Java}}
<syntaxhighlight lang='Java'>
class Calculator implements AdvancedArithmetic {
    public int divisorSum(int n) {
        int sum = 0;
        for(int i=1; i<=n; i++) {
            if( n%i == 0 ) sum += i;
        }
        return sum;
    }
}
</syntaxhighlight>

==PHP==
{{참고|HR30 Day 19: Interfaces/PHP}}
<syntaxhighlight lang='PHP'>
/*
 * Write your code here
 */
class Calculator implements AdvancedArithmetic {
    function divisorSum($n) {
        $sum = 0;
        for($i=1; $i<=$n; $i++) {
            if( $n%$i == 0 ) $sum+=$i;
        }
        return $sum;
    }
}
</syntaxhighlight>

==Python==
{{참고|HR30 Day 19: Interfaces/Python}}
<syntaxhighlight lang='Python'>
class Calculator(AdvancedArithmetic):
    def divisorSum(self, n):
        sm = 0
        for i in range(1, n+1):
            if n%i == 0: sm += i
        return sm
</syntaxhighlight>