1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// is_heap example
#include <iostream> // std::cout
#include <algorithm> // std::is_heap, std::make_heap, std::pop_heap
#include <vector> // std::vector
int main () {
std::vector<int> foo {9,5,2,6,4,1,3,8,7};
if (!std::is_heap(foo.begin(),foo.end()))
std::make_heap(foo.begin(),foo.end());
std::cout << "Popping out elements:";
while (!foo.empty()) {
std::pop_heap(foo.begin(),foo.end()); // moves largest element to back
std::cout << ' ' << foo.back(); // prints back
foo.pop_back(); // pops element out of container
}
std::cout << '\n';
return 0;
}
|