add new solutions

solutions/14/q1475/solution.go

@@ -0,0 +1,18 @@
+package q1475
+
+func finalPrices(prices []int) []int {
+	st := make([]int, 0, 1024)
+
+	for i := len(prices) - 1; i >= 0; i-- {
+		p := prices[i]
+		for ; len(st) > 0 && st[len(st)-1] > p; st = st[:len(st)-1] {
+		}
+		if len(st) > 0 {
+			prices[i] = p - st[len(st)-1]
+		}
+		st = append(st, p)
+	}
+	return prices
+}
+
+var _ = finalPrices