the-hurdle-race.js

function hurdleRace(k, height) {
  return Math.max(Math.max(...height) - k, 0)
}

console.log(hurdleRace(1, [1,2,3,3,2]))
console.log(hurdleRace(4, [1,6,3,5,2]))
console.log(hurdleRace(7, [2,5,4,5,2]))