Add solution 0279、0518

leetcode/0518.Coin-Change-2/518. Coin Change 2.go

@@ -0,0 +1,12 @@
+package leetcode
+
+func change(amount int, coins []int) int {
+	dp := make([]int, amount+1)
+	dp[0] = 1
+	for _, coin := range coins {
+		for i := coin; i <= amount; i++ {
+			dp[i] += dp[i-coin]
+		}
+	}
+	return dp[amount]
+}