first

course/7-loops/exercises/1-intro/complete.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+)
+
+func bulkSend(numMessages int) float64 {
+	totalCost := 0.0
+	for i := 0; i < numMessages; i++ {
+		totalCost += 1 + (float64(i) * 0.01)
+	}
+	return totalCost
+}
+
+// don't edit below this line
+
+func test(numMessages int) {
+	fmt.Printf("Sending %v messages\n", numMessages)
+	cost := bulkSend(numMessages)
+	fmt.Printf("Bulk send complete! Cost = %.2f\n", cost)
+	fmt.Println("===============================================================")
+}
+
+func main() {
+	test(10)
+	test(20)
+	test(30)
+	test(40)
+	test(50)
+}