Distinct power numbers: Difference between revisions

=={{header|Go}}==

{{trans|Wren}}

{{libheader|Go-rcu}}

<lang go>package main

import (

"fmt"

"rcu"

"sort"

)

func main() {

var pows []int

for a := 2; a <= 5; a++ {

pow := a

for b := 2; b <= 5; b++ {

pow *= a

pows = append(pows, pow)

}

}

set := make(map[int]bool)

for _, e := range pows {

set[e] = true

}

pows = pows[:0]

for k := range set {

pows = append(pows, k)

}

sort.Ints(pows)

fmt.Println("Ordered distinct values of a ^ b for a in [2..5] and b in [2..5]:")

for i, pow := range pows {

fmt.Printf("%5s ", rcu.Commatize(pow))

if (i+1)%5 == 0 {

fmt.Println()

}

}

fmt.Println("\nFound", len(pows), "such numbers.")

}</lang>

{{out}}

<pre>

Ordered distinct values of a ^ b for a in [2..5] and b in [2..5]:

4 8 9 16 25

27 32 64 81 125

243 256 625 1,024 3,125

Found 15 such numbers.

</pre>