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  1. import std.stdio;
  2. 	import std.string;
  3. 	import std.range;
  4. 	import std.conv;
  5.  
  6. 	void main(string[] args)
  7. 	{
  8. 		foreach(input; stdin.byLine)
  9. 		{
  10. 			int cidr = input.strip.to!int;
  11. 			if(cidr > 32)
  12. 			{
  13. 				writeln("Too big");
  14. 				continue;
  15. 			}
  16. 			string mask = '1'.repeat.take(cidr).chain('0'.repeat.take(32 - cidr)).to!string;
  17. 			cidr.writeln;
  18. 			mask.writeln;
  19. 			mask.to!(long)(2).writeln;
  20. 			writeln;
  21. 		}
  22. 	}
Success #stdin #stdout 0s 14976KB
comments ()
stdin
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8
	16
	3
	21
	33
	32
stdout
copy 
8
11111111000000000000000000000000
4278190080

16
11111111111111110000000000000000
4294901760

3
11100000000000000000000000000000
3758096384

21
11111111111111111111100000000000
4294965248

Too big
32
11111111111111111111111111111111
4294967295
https://ideone.com/0U7RU5
language:
D (gdc 8.3)
created:
7 years ago
visibility:
public

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