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use of set in c++

Zakir answered on September 7, 2022 Popularity 10/10 Helpfulness 2/10

answer use of set in c++

use of set in c++

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#include<iostream>
#include<set>

using namespace std;
 
int main()
{
 
    // Empty Set
    set<int> set1;
    // set1 = {}
 
    // Empty Set - Decreasing Order
    set<int, greater<int>> set2;
    // set2 = {} 
 
    // Set with values
    set<int, greater<int>> set3 = {6, 10, 5, 1};
    // set3 = {10, 6, 5, 1}
 
    // Initialize Set using other set
    set<int, greater<int>> set4(set3);
    // set4 = {10, 6, 5, 1} 
 
    // Initializing a set from array
    int arr[] = {10, 4, 5, 61};
    set<int> set5(arr, arr+4);  // Since the array has four elements, thus arr+4 

     // Defining iterator for the set
    set<int> :: iterator it;

    //Printing a set using for loop – (1)
    for (auto it = set5.begin(); it!=set5.end();it++)
    {
        cout<<endl<<*it;
    }
    return 1;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

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Tags: c++ set

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