Casino chips

Casino chipsCodewars

Solution

JavaScript

const solve = (arr, count = 0) => {
  let [a, b, c] = arr.sort((a, b) => b - a);
  let newCount = 0;
  
  while (b > 0) {
    newCount = Math.ceil(b / 2);
    count += newCount;
    b -= newCount;
    a -= newCount;
    [a, b, c] = [a, b, c].sort((a, b) => b - a);
  }
  
  return count;
};