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  1. #include <iostream>
  2. #include <cassert>
  3. #include <string>
  4. #include <sstream>
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9. istringstream iss;
  10. iss.str("0123");
  11. int i;
  12. iss >> i;
  13. assert(i == 123);
  14. }
  15.  
Success #stdin #stdout 0s 15240KB
stdin
Standard input is empty
stdout
Standard output is empty