Magic constant: Difference between revisions
Added Go
(→{{header|Wren}}: No need to use BigInt here.) |
(Added Go) |
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Line 486:
10^19: 2714418
10^20: 5848036
</pre>
=={{header|Go}}==
{{trans|Wren}}
{{libheader|Go-rcu}}
<lang go>package main
import (
"fmt"
"math"
"rcu"
)
func magicConstant(n int) int {
return (n*n + 1) * n / 2
}
var ss = []string{
"\u2070", "\u00b9", "\u00b2", "\u00b3", "\u2074",
"\u2075", "\u2076", "\u2077", "\u2078", "\u2079",
}
func superscript(n int) string {
if n < 10 {
return ss[n]
}
if n < 20 {
return ss[1] + ss[n-10]
}
return ss[2] + ss[0]
}
func main() {
fmt.Println("First 20 magic constants:")
for n := 3; n <= 22; n++ {
fmt.Printf("%5d ", magicConstant(n))
if (n-2)%10 == 0 {
fmt.Println()
}
}
fmt.Println("\n1,000th magic constant:", rcu.Commatize(magicConstant(1002)))
fmt.Println("\nSmallest order magic square with a constant greater than:")
for i := 1; i <= 20; i++ {
goal := math.Pow(10, float64(i))
order := int(math.Cbrt(goal*2)) + 1
fmt.Printf("10%-2s : %9s\n", superscript(i), rcu.Commatize(order))
}
}</lang>
{{out}}
<pre>
Same as Wren example.
</pre>
Line 549 ⟶ 603:
{{out}}
As for [[#Wren|Wren]] except for commatization.
=={{header|Julia}}==
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