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2021_HeapMinTemper2.cpp
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2021_HeapMinTemper2.cpp
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//
// Created by dongwan-kim on 2022/05/05.
//
#include<iostream>
#include<vector>
using namespace std;
struct HeapMinTemper{
vector<int> v;
int size;
HeapMinTemper(){
v.push_back(-1);
size=0;
}
bool empty(){
if(size==0)
return true;
else
return false;
}
void swap(int idx1,int idx2){
v[0]=v[idx1];
v[idx1]=v[idx2];
v[idx2]=v[0];
}
void upHeap(int idx){
if(size==1)
return;
else{
int parent=idx/2;
if(v[parent]>v[idx]){
swap(parent,idx);
upHeap(parent);
}
}
}
void downHeap(int idx){
int left=idx*2;
int right=idx*2+1;
int child;
if(left>size)
return;
else if(left==size)
child=left;
else{
if(v[left]<=v[right])
child=left;
else
child=right;
}
if(v[child]<v[idx]){
swap(child,idx);
downHeap(child);
}
}
void insert(int e){
v.push_back(e);
size++;
upHeap(size);
}
int removeMin(){
if(empty())
return -1;
else{
int top=v[1];
v[1]=v[size];
size--;
v.pop_back();
downHeap(1);
return top;
}
}
int min(){
if(empty())
return -1;
else
return v[1];
}
void print(){
if(empty())
cout<<-1<<endl;
else{
for(int i=1;i<=size;i++){
cout<<v[i]<<" ";
}
cout<<endl;
}
}
};
int main(){
int t;
cin>>t;
while(t--){
int n, p;
cin>>n>>p;
HeapMinTemper h;
for(int i=0;i<n;i++){
int a;
cin>>a;
h.insert(a);
}
bool posible=false;
int cnt=0;
while(true){
if(h.min()>=p){
posible=true;
break;
}
if(h.size==1){
break;
}
int k1=h.removeMin();
int k2=h.removeMin();
h.insert((k1+k2)/2);
cnt++;
}
if(posible){
cout<<cnt<<endl;
h.print();
}
else{
cout<<"False"<<endl;
}
}
}