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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.  
  8.   int m, a, b, c;
  9.  
  10.   a = 0;
  11.   b = 1;
  12.  
  13.   cout << "enter a numeric greater than 1" << endl;
  14.   cin >> m;
  15.  
  16.   if (m < 1)
  17.   {
  18.     cout << "\t\t\t\t\tUNACCEPTABLE!!";
  19.     cin >> m;
  20.   }
  21.  
  22.   else
  23.     {
  24.  
  25.       while (c < m)
  26.       {
  27.         c = a + b;
  28.         a = c;
  29.         c = a + b;
  30.         b = c; //oh fuck this shit
  31.     }
  32.       cout << c;
  33.     }
  34.   return(0);
  35.  
  36. }
  37.  
Success #stdin #stdout 0s 15240KB
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stdin
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2
stdout
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enter a numeric greater than 1
2
https://ideone.com/pVYetK
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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