Merge branch 'master' of https://github.com/CyC2018/CS-Notes

CyC2018 · CyC2018 · commit 656c875d96f7 · 2019-09-16T00:00:03.000+08:00
diff --git a/docs/notes/Leetcode 题解 - 动态规划.md b/docs/notes/Leetcode 题解 - 动态规划.md
@@ -902,9 +902,6 @@ Explanation: there are four ways to make up the amount:
 
 ```java
 public int change(int amount, int[] coins) {
-    if (amount == 0 || coins == null || coins.length == 0) {
-        return 0;
-    }
     int[] dp = new int[amount + 1];
     dp[0] = 1;
     for (int coin : coins) {
