Create Solution3.go

Author: yanglbme

solution/0700-0799/0746.Min Cost Climbing Stairs/Solution3.go

@@ -0,0 +1,7 @@
+func minCostClimbingStairs(cost []int) int {
+	var f, g int
+	for i := 2; i <= n; i++ {
+		f, g = g, min(f+cost[i-2], g+cost[i-1])
+	}
+	return g
+}