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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     long long a, b;   // ułamek a/b, gdzie b = 2^k
  6.     cin >> a >> b;
  7.  
  8.     // Rozwinięcie binarne ułamka właściwego
  9.     cout << "0.";
  10.  
  11.     long long x = a;
  12.     while (x > 0) {
  13.         x *= 2;
  14.         if (x >= b) {
  15.             cout << 1;
  16.             x -= b;
  17.         } else {
  18.             cout << 0;
  19.         }
  20.     }
  21.  
  22.     cout << endl;
  23.     return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/cBoQMX
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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