摘要：
public List<List<Integer>> combinationSum(int[] candidates, int target) { List<List<Integer>> ans = new ArrayList<>(); List<Integer> combine = new Arr 阅读全文
摘要：
class Solution { public int coinChange(int[] coins, int amount) { int[] dp = new int[amount+1]; for(int i = 0; i < dp.length; i++) dp[i] = amount+1; / 阅读全文