Combination Lock Problem Set

combinationLock.js

combinationLock = (initialState, code) => {
  let totalTurns = 0;
  initialState.forEach((i, index) => {
    let turns = Math.abs(i - code[index]);
    if (turns <= 5) {
      return (totalTurns += turns);
    } else {
      const newTurns = 10 - turns;
      return (totalTurns += newTurns);
    }
  });
  return totalTurns;
};

combinationLock([0, 0, 0], [3, 1, 8])
combinationLock([2, 3, 4, 5], [5, 4, 3, 2])
combinationLock([1, 9, 1, 9], [0, 0, 0, 0])