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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5.   {
  6.    double base=2;
  7.    unsigned exp=8;
  8.    double value;
  9.    for(value=1;exp;exp>>=1,base*=base) if(exp&1) value*=base;
  10.    cout<<value<<endl;
  11.    return 0;
  12.   }
Success #stdin #stdout 0s 3296KB
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https://ideone.com/wT6sII
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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