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heap c++ stl

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G0dm0d€ answered on January 4, 2022 Popularity 10/10 Helpfulness 2/10

answer heap c++ stl

related C++ heap pointer

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heap c++ stl

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#include<bits/stdc++.h>
using namespace std;
int main()
{
	vector<int> v1 = {20, 30, 40, 25, 15};
	make_heap(v1.begin(), v1.end());
	cout << "The maximum element of heap is : ";
	cout << v1.front() << endl;
	v1.push_back(50);
	push_heap(v1.begin(), v1.end());
	cout << "The maximum element of heap after push is : ";
	cout << v1.front() << endl;
	pop_heap(v1.begin(), v1.end());
	v1.pop_back();
	cout << "The maximum element of heap after pop is : ";
	cout << v1.front() << endl;
	
	return 0;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++ heap stl

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Contributed on Jan 04 2022

G0dm0d€

0 Answers Avg Quality 2/10

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C++ heap pointer

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#include <iostream>

int main() 
{

	int* ptr = new int{};
    // creates null initialized pointer ptr
    
    delete ptr; // must be cleared manually
    

	// multiple memaddress allocation:

	int* p_arr = new int[5]{};
    /*
    new int[] returns the first elems pointer address
    {} initializes with default settings [int{} -> 0], such as MyObj()
    
    [5] -> can be var too, new functionality in modern cpp (new int[var_count])
    */
    
    delete[] p_arr;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jul 17 2022

LukeProducts

0 Answers Avg Quality 2/10

is_heap c++

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#include <bits/stdc++.h>
using namespace std;
int main()
{
    vector<int> v1 ={11,7,4,3,2};
    cout<<is_heap(v1.begin(),v1.end());
    return 0;
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Sep 03 2022

krishnaa s

0 Answers Avg Quality 2/10

heap c++ stl

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