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Showing content from https://www.tutorialspoint.com/cpp_standard_library/cpp_string_resize.htm below:

C++ String Resize

It resizes the string to a length of n characters.

Following is the declaration for std::string::resize.

void resize (size_t n);

void resize (size_t n, char c);

• n − It is a new string length.

• c − Character used to fill the new character space added to the string.

none

if an exception is thrown, there are no changes in the string.

In below example for std::string::resize.

#include <iostream>
#include <string>

int main () {
   std::string str ("Sairamkrishna Mammahe");
   std::cout << str << '\n';

   unsigned sz = str.size();

   str.resize (sz+2,'+');
   std::cout << str << '\n';

   str.resize (14);
   std::cout << str << '\n';
   return 0;
}

The sample output should be like this −

Sairamkrishna Mammahe
Sairamkrishna Mammahe++
Sairamkrishna 

string.htm

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