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  1. #include <iostream>
  2. #include <regex>
  3.  
  4. int main() {
  5. 	std::string S = "-0001011101";
  6. 	std::regex reg("([^1]|^)1(?!1)");
  7. 	std::cout << std::regex_replace(S, reg, "$012") << std::endl;
  8. 	return 0;
  9. }
Success #stdin #stdout 0s 5340KB
comments (?)
stdin 
Standard input is empty
stdout 
-0002011102
https://ideone.com/QtRT8o
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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