53 lines
830 B
Go
53 lines
830 B
Go
// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import (
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"fmt"
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"os"
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"strconv"
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)
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func main() {
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if len(os.Args) < 3 {
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fmt.Println("gimme two numbers")
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return
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}
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min, err1 := strconv.Atoi(os.Args[1])
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max, err2 := strconv.Atoi(os.Args[2])
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if err1 != nil || err2 != nil || min >= max {
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fmt.Println("wrong numbers")
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return
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}
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var (
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i = min
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sum int
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)
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for {
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if i > max {
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break
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} else if i%2 != 0 {
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i++
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continue
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}
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fmt.Print(i)
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if i < max-1 {
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fmt.Print(" + ")
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}
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sum += i
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i++
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}
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fmt.Printf(" = %d\n", sum)
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}
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