Coin problem

main.js

const calc = (coins, value) => {
  return coins.reduce((acc, coin) => {
    while (acc.balance >= coin) {
      if (!acc.result[coin]) acc.result[coin] = 0;
      acc.result[coin]++;
      acc.balance -= coin;
    }
    return acc;
  }, { balance: value, result: {}});
}

const coins = [25, 10, 5, 1];
const value = 78;
console.log(calc(coins, value));