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  1. #include <iostream>
  2. #include <sstream>
  3. int main()
  4. {
  5.     std::istringstream s("+31321");
  6.     long n;
  7.     s >> n;
  8.     std::cout << n << '\n';
  9. }
Success #stdin #stdout 0.01s 2860KB
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stdin
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Standard input is empty
stdout
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31321
https://ideone.com/4rmlp
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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