Add params

Author: poyea

solution/0300-0399/0322.Coin Change/Solution.js

@@ -1,3 +1,8 @@
+/**
+ * @param {number[]} coins
+ * @param {number} amount
+ * @return {number}
+ */
 var coinChange = function(coins, amount) {
   var dp = Array(amount + 1).fill(amount + 1);
   dp[0] = 0;