Question

How to find sum of the first N even numbers in Go

Answer 1

package main

import "fmt"

func main() {
    var N int = 5

    // The sum of the first N even numbers is N * (N + 1)
    var sumEven int = N * (N + 1)

    fmt.Printf("The sum of the first %d even numbers is: %d\n", N, sumEven)
}

// 2 + 4 + 6 + 8 + 10 = 30


/*
run:

The sum of the first 5 even numbers is: 30

*/

 

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