comfortable numbers javascript

JFS answered on October 21, 2022 Popularity 1/10 Helpfulness 8/10

answer comfortable numbers javascript

related comfortable numbers javascript

comfortable numbers javascript

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function solution(l, r) {
    var pairs = 0;
    for (i = l; i <= r; i++) {
        for (j = i + 1; j <= r; j++) {
            if (i + sumDigits(i) >= j && j - sumDigits(j) <= i) {
                pairs++;
            }
        }
    }
    return pairs;
}

function sumDigits(n) {
    var sum = 0;
    while (n) {
        sum += n % 10;
        n = Math.floor(n / 10);
    }
    return sum;
}

Popularity 1/10 Helpfulness 8/10 Language javascript

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Tags: javascript numbers

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Contributed on Oct 21 2022

JFS

0 Answers Avg Quality 2/10

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comfortable numbers javascript

Comment

function solution(l, r) {

    function addDigits(num){
        let sum = 0;
        
        while(num){
            sum += num % 10;
            num = Math.floor(num / 10);
        }
        return sum;
    }
    
    function comfortable(a, b){
        return a - addDigits(a) <= b && b <= a + addDigits(a);
    }
    
    let numbers = 0;
    for(let a = l; a < r; a++){
        for(let b = a+1; b <= r; b++){
            if(comfortable(a, b) && comfortable(b, a)) numbers++;
        }
    }
    return numbers;
}

Popularity 1/10 Helpfulness 8/10 Language javascript

Source: Grepper

Tags: javascript numbers

Link to this answer
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Contributed on Oct 21 2022

JFS

0 Answers Avg Quality 2/10

comfortable numbers javascript

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comfortable numbers javascript

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comfortable numbers javascript

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