Function tandemBicycle

greedy/tandem-bicycle.js:3–14

(redShirtSpeeds, blueShirtSpeeds, fastest)

// time O(n log n) because we need to sorted the array
// space O(1)
function tandemBicycle(redShirtSpeeds, blueShirtSpeeds, fastest) {
  let totalSpeed = 0;
  redShirtSpeeds.sort((a, b) => b - a);
  if (fastest) {
    blueShirtSpeeds.sort((a, b) => a - b);
    totalSpeed += getTotalSpeedHelper(redShirtSpeeds, blueShirtSpeeds);
  } else {
    blueShirtSpeeds.sort((a, b) => b - a);
    totalSpeed += getTotalSpeedHelper(redShirtSpeeds, blueShirtSpeeds);
  }
  return totalSpeed;
}

function getTotalSpeedHelper(redShirtSpeeds, blueShirtSpeeds) {
  let totalSpeed = 0;