Array manypulation.js

function arrayManipulation(n, queries) {
    // Write your code here
    var arr = Array(n + 1).fill(0);
    var max = 0;
    var x = 0;
    for(var query of queries) {
      const [a, b, k] = query;
      arr[a] += k;
      if(b+1 <= n) {
        arr[b+1] -= k;
      }
    }
  
    for(var i = 1; i <= n; i++) {
      x = x + arr[i];
      if(x > max) {
        max = x;
      }
    }
    return max;
}



const queries = [[1, 2, 100], [2, 5, 100], [3, 4, 100]];
let res = arrayManipulation(5, queries);
res