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  1. #include <iostream>
  2. #include <iterator>
  3. #include <numeric>
  4.  
  5. int main()
  6. {
  7. using namespace std;
  8. partial_sum(istream_iterator<int>(cin),
  9. istream_iterator<int>(),
  10. ostream_iterator<int>(cout, "\n"));
  11. }
Success #stdin #stdout 0s 2856KB
stdin
1
1
1
1
stdout
1
2
3
4