array-manipulation.ts

function max(target: Array<Number>): Number {
  const reducer = (greatest, current) => current > greatest ? current : greatest
  return target.reduce(reducer)
}

function crush(length, queries) {
  const zeroes = Array(length).fill(0)

  for (let i = 0; i < queries.length; i++) {
    const [a, b, k] = queries[i];
    
    for (let j = a - 1; j < b; j++) {
      zeroes[j] += k
    }
  }
  
  return zeroes
}

const queries = [[1,2,100], [2,5,100], [3,4,100]]

max(crush(5, queries)) // 200




function getRange(target, start, end) {
  const range = []

  for (let i = start - 1; i < end; i++) {
    range.push(target[i])
  }
  
  return range
}

getRange(Array(5).fill(0), 1, 3)