Solution to https://www.hackerrank.com/challenges/crush/problem?h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=arrays array problem

ArrayManipulation.js

const arrayManipulation = (n, queries) => {
    const zeroArr = [];
    let max = 0;
    
    for (let i = 0; i < n; i++) {
        zeroArr.push(0);
    }

    queries.forEach((query) => {
        zeroArr[query[0] - 1] += query[2];

        if (query[1] < n) {
            zeroArr[query[1]] -= query[2];
        }
    });

    for (let i = 1; i < n; i++) {
        zeroArr[i] += zeroArr[i - 1];
    }

    zeroArr.forEach(value => {
        max = max > value ? max : value;
    });

    return max;
}