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  1.     #include <iostream>
  2.  
  3.     int main () {
  4.         {
  5.         double n;
  6.         for ( n = 2; 1 / n * n == 1; ++ n ) ;
  7.         std::cout << n << " (" << 1 - 1/n*n << ")\n";
  8.         for ( ; (int) ( 1 / n * n ) == 1; ++ n ) ;
  9.         std::cout << n << " (" << 1 - 1/n*n << ")\n";
  10.         }
  11.         {
  12.         float n;
  13.         for ( n = 2; 1 / n * n == 1; ++ n ) ;
  14.         std::cout << n << " (" << 1 - 1/n*n << ")\n";
  15.         for ( ; (int) ( 1 / n * n ) == 1; ++ n ) ;
  16.         std::cout << n << " (" << 1 - 1/n*n << ")\n";
  17.         }
  18.     }
  19.  
Success #stdin #stdout 0.01s 2724KB
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stdin
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Standard input is empty
stdout
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41 (5.42101e-20)
45 (5.42101e-20)
41 (5.42101e-20)
45 (5.42101e-20)
https://ideone.com/yeimfS
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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