Question

How to delete a string in C++

Answer 1

#include <iostream>
  
int main() {
    std::string s = "C++ is a general-purpose programming language";
  
    s.erase(s.begin(), s.end()); 
     
    std::cout << s;
     
    return 0;
}
  
  
  
  
/*
run:
   

   
*/

 

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Answer 2

#include <iostream>
  
int main() {
    std::string s = "C++ is a general-purpose programming language";
  
    s.clear();
     
    std::cout << s;
     
    return 0;
}
  
  
  
  
/*
run:
   

   
*/

 

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Answer 3

#include <iostream>
  
int main() {
    std::string s = "C++ is a general-purpose programming language";
  
    s = "";
     
    std::cout << s;
     
    return 0;
}
  
  
  
  
/*
run:
   

   
*/

 

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