Demonstrating push_heap, pop_heap, make_heap and sort_heap. : pop_heap « STL Algorithms Heap

Demonstrating push_heap, pop_heap, make_heap and sort_heap. : pop_heap « STL Algorithms Heap « C++ Tutorial

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2.	Data Types
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4.	Array
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30.	STL Algorithms Iterator
31.	STL Algorithms Heap
32.	STL Algorithms Helper

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C++ Tutorial » STL Algorithms Heap » pop_heap

31.2.2.Demonstrating push_heap, pop_heap, make_heap and sort_heap.

#include <iostream>

#include <algorithm>

#include <vector>



using namespace std;



int main(){

   const int SIZE = 10;

   int a[ SIZE ] = { 3, 100, 52, 77, 22, 31, 1, 98, 13, 40 };

   int i;

   vector< int > v( a, a + SIZE ), v2;



   make_heap( v.begin(), v.end() );

   sort_heap( v.begin(), v.end() );



   for ( i = 0; i < SIZE; ++i ) {

      v2.push_back( a[ i ] );

      push_heap( v2.begin(), v2.end() );      

   }

   

   for ( i = 0; i < v2.size(); ++i ) {

      cout << "\nv2 after " << v2[ 0 ] << " popped from heap\n";

      pop_heap( v2.begin(), v2.end() - i );

   }



   cout << endl;

   return 0;

}

31.2.pop_heap
	31.2.1.	Use pop_heap to pop next element out of the heap
	31.2.2.	Demonstrating push_heap, pop_heap, make_heap and sort_heap.

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