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  1. #include <iostream>
  2. #include <functional>
  3. #include <iterator>
  4. #include <numeric>
  5. using namespace std;
  6.  
  7. int main() {
  8. 	accumulate(istream_iterator<double>(cin), istream_iterator<double>(), 0, [](int a, int b) -> auto { return a ? (cout<<(a + b)/2.0<<endl, 0) : b;});
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
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1 2
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10.0 2.0
stdout
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1.5
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5.5
7.5
6
https://ideone.com/Tskd9q
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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