Question

How to initialize set with part of array in C++

Answer 1

#include <iostream>       
#include <set> 
           
using namespace std; 
    
void printSet(set<int> st) {
    for (auto n: st) {
        cout << n << ' ' ; 
    } 
}
    
int main ()
{
    int arr[] = {1, 2, 3, 4, 5, 6, 7};
    std::set<int> st(arr + 1, arr + 4);   
    
    printSet(st); 
    
    return 0;
} 
      
       
       
       
/*
run:
       
2 3 4 
    
*/

 

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