Python | Leetcode Python题解之第322题零钱兑换

题目：

题解：

class Solution:def coinChange(self, coins: List[int], amount: int) -> int:dp = [float('inf')] * (amount + 1)dp[0] = 0for coin in coins:for x in range(coin, amount + 1):dp[x] = min(dp[x], dp[x - coin] + 1)return dp[amount] if dp[amount] != float('inf') else -1