堆

堆

#include<iostream> 
#include<cstdio>
#include<cmath>
#include<cstring>
using namespace std;

int heap[101];
int heapSize;
void put(int);
void get();
int main()
{
    int x;cin>>x;
    put(x);
    return 0;
}
void put(int d)
{
    int now,next;
    heap[++heapSize] = d;
    now = heapSize;
    while(now > 1)
    {
        next=now >> 1;
        if(heap[now] >= heap[next])break;
        swap(heap[now],heap[next]);
        now = next;
    }
}
void get()
{
    int now,next,res;
    res = heap[1];
    heap[1]=heap[heapSize--];
    now = 1;
    while(now * 2 <= heapSize)
    {
        next = now * 2;
        if(next < heapSize && heap[next+1] < heap[next])next++;
        if(heap[now] <= heap[next]) break;
        swap(heap[now],heap[next]);
        now = next;
    }
    return res;
}