Smallest square that begins with n: Difference between revisions
Added Wren
(Created page with "{{Draft task}} ;Task Find smallest squares that begin with n for 0 < n < 50 =={{header|Ring}}== <lang ring> load "stdlib.ring" see "working..." + nl see "smallest squares t...") |
(Added Wren) |
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4624 4761 484 49
done...
</pre>
=={{header|Wren}}==
{{libheader|Wren-seq}}
{{libheader|Wren-fmt}}
<lang ecmascript>import "/seq" for Lst
import "/fmt" for Fmt
var isSquare = Fn.new { |n|
var s = n.sqrt.floor
return s * s == n
}
var squares = []
for (i in 1..49) {
if (isSquare.call(i)) {
squares.add(i)
} else {
var n = i
var limit = 10
while (true) {
n = n * 10
var found = false
for (i in 0...limit) {
var s = n + i
if (isSquare.call(s)) {
squares.add(s)
found = true
break
}
}
if (found) break
limit = limit * 10
}
}
}
System.print("Smallest squares that begin with 'n' in [1, 49]:")
for (chunk in Lst.chunks(squares, 10)) Fmt.print("$5d ", chunk)</lang>
{{out}}
<pre>
Smallest squares that begin with 'n' in [1, 49]:
1 25 36 4 529 64 729 81 9 100
1156 121 1369 144 1521 16 1764 1849 196 2025
2116 225 2304 2401 25 2601 2704 289 2916 3025
3136 324 3364 3481 35344 36 3721 3844 3969 400
41209 4225 4356 441 45369 4624 4761 484 49
</pre>
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