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GeezerVison is showing github.com — JavaScript/Dynamic-Programming/CoinChange.js at master · Sese-Brazil/JavaScript Expand file tree/ Copy pathCoinChange.jsMore file actions 33 lines (33 loc) · 898 Bytes / Copy pathCoinChange.jsFile metadata and controls33 lines (33 loc) · 898 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 /** * @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] } /** * @params {Array} coins * @params {Number} amount */ export const coinChangeMin = (coins, amount) => { const map = { 0: 1 } for (let i = 1; i <= amount; i++) { let min = Infinity for (const coin of coins) { if (i < coin) continue min = Math.min(min, 1 + map[i - coin]) } map[i] = min } return map[amount] === Infinity ? -1 : map[amount] - 1 } |
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