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  1. var
  2. 	a: int64;
  3. begin
  4. 	read(a);
  5. 	a := (a + 1) div 2;
  6. 	writeln(a * a);
  7. end.
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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100000
stdout
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2500000000
https://ideone.com/55e5Or
language:
Pascal (fpc 3.0.4)
created:
8 days ago
visibility:
public

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