function arrayManipulation(n, queries) {
    // Write your code here
    const arr = new Array(n).fill(0);
    let max = 0;
    
    for(let i = 0; i < queries.length; i++) {
        const [a,b,k] = queries[i];
        
        // -1 because arrays are indexed 0, but a & b constraints 1<=a<=b<=n
        for(let j = a - 1; j <= b - 1 ; j++) {
            arr[j] += k;

            max = Math.max(arr[j], max);
        }
    }
    
    return max;
}