/** * @params {Array} coins * @params {Number} amount */ export const change = (coins, amount) => { // Create and initialize the storage const combinations = new Array(amount + 1).fill(0) combinations[0] = 1 // Determine the direction of smallest sub-problem for (let i = 0; i < coins.length; i++) { // Travel and fill the combinations array for (let j = coins[i]; j < combinations.length; j++) { combinations[j] += combinations[j - coins[i]] } } return combinations[amount] }