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  1.     #include <iostream>
  2.     #include <string>
  3.  
  4.     void ChangeString(std::string& test)
  5.     {
  6.        	bool inbracket = false;
  7.      	std::string outStr;
  8.     	for (size_t i = 0; i < test.size(); ++i)
  9.     	{ 
  10.      		char ch = test[i];
  11.      		if (ch == '[') 
  12.     		   inbracket = true;
  13.     		else
  14.      		if ( ch == ']')
  15.      		   inbracket = false;
  16.     		else
  17.      		if ( !inbracket )
  18.      		   outStr += ch;
  19.     	 }
  20.     	 test = outStr;
  21.     }
  22.  
  23.       using namespace std;
  24.  
  25.     int main() 
  26.     {
  27.         std::string test = "[12]1234[56]78";
  28. 	    ChangeString(test);
  29.         cout << test;
  30.     }
  31.  
  32.  
Success #stdin #stdout 0s 3412KB
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stdin
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Standard input is empty
stdout
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123478
https://ideone.com/GqZvtc
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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