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  1. program Factorial;
  2. var
  3.   n, k, f: integer;
  4. begin
  5.   write('Введите n » ');
  6.   readln(n);
  7.  
  8.   k := 1;
  9.   f := 1;
  10.  
  11.   while k <= n do
  12.   begin
  13.     f := f * k;
  14.     k := k + 1;
  15.   end;
  16.  
  17.   writeln(n, '! = ', f);
  18. end.
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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Введите n » 0! = 1
https://ideone.com/7k7wDv
language:
Pascal (fpc 3.0.4)
created:
2 days ago
visibility:
public

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