HR30 Day 19: Interfaces

1 개요

HR30 Day 19: Interfaces

• https://www.hackerrank.com/challenges/30-interfaces/problem
• 참고: HR자바 Java Interface

해커랭크 30 Days of Code

문제	풀이
10-19 Day e
HR30 Day 10: Binary Numbers
HR30 Day 11: 2D Arrays
HR30 Day 12: Inheritance
HR30 Day 13: Abstract Classes
HR30 Day 14: Scope
HR30 Day 15: Linked List
HR30 Day 16: Exceptions - String to Integer
HR30 Day 17: More Exceptions
HR30 Day 18: Queues and Stacks
HR30 Day 19: Interfaces

2 Java

HR30 Day 19: Interfaces/Java 문서를 참고하십시오.

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;
    }
}

3 PHP

HR30 Day 19: Interfaces/PHP 문서를 참고하십시오.

/*
 * 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;
    }
}

4 Python

HR30 Day 19: Interfaces/Python 문서를 참고하십시오.

class Calculator(AdvancedArithmetic):
    def divisorSum(self, n):
        sm = 0
        for i in range(1, n+1):
            if n%i == 0: sm += i
        return sm