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  1. #include <iostream>
  2. int main(){
  3.   double w = 1 / 2.0, r = 0;
  4.   for (int i = 0; i <= 50; ++i) {
  5.     w *= 3;
  6.     r += w;
  7.   }
  8.   std::cout << r;
  9.   return 0;
  10. }
Success #stdin #stdout 0s 2896KB
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Standard input is empty
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1.61527e+24
https://ideone.com/9soXgK
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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