Special divisors: Difference between revisions
Add Zig
m (→{{header|REXX}}: simplified the code.) |
Not a robot (talk | contribs) (Add Zig) |
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72 such numbers found.
</pre>
=={{header|Zig}}==
<lang zig>const MAX = 200; // max number to check
const N = u16; // smallest integer type that fits
pub fn reverse(n: N) N {
var r: N = 0;
var nn = n;
while (nn > 0) : (nn /= 10)
r = r*10 + nn%10;
return r;
}
pub fn special(n: N) bool {
var r = reverse(n);
var d: N = 1;
while (d <= n/2) : (d += 1)
if (n % d == 0 and r % reverse(d) != 0)
return false;
return true;
}
pub fn main() !void {
const stdout = @import("std").io.getStdOut().writer();
var c: N = 0;
var n: N = 1;
while (n <= MAX) : (n += 1) {
if (special(n)) {
try stdout.print("{d:4}", .{n});
c += 1;
if (c % 10 == 0) try stdout.print("\n", .{});
}
}
try stdout.print("\n", .{});
}</lang>
{{out}}
<pre> 1 2 3 4 5 6 7 8 9 11
13 17 19 22 23 26 27 29 31 33
37 39 41 43 44 46 47 53 55 59
61 62 66 67 69 71 73 77 79 82
83 86 88 89 93 97 99 101 103 107
109 113 121 127 131 137 139 143 149 151
157 163 167 169 173 179 181 187 191 193
197 199</pre>
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