C++ Set

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Set is an associate container for storing unique sets.

Syntax:

set<object_type> s1;

Example:

#include <iostream>   
#include <set>   
  
using namespace std;  
  
int main(void) {  
   //Default Constructor  
   std::set<int> s1;  
   s1.insert(5);  
   s1.insert(10);  
   cout << "Size of set for s1 is : " << s1.size() << endl;     
   set<int> s2(s1); // Copy constructor 
   cout << "Size of set for s2 is : " << s2.size();  
   return 0;  
}
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