Language: C++

#include <bits/stdc++.h>
using namespace std;
using P=pair<int,int>;

int main(){
	int n;cin>>n;
	vector<int> p(n);
	for(auto&& w:p)cin>>w;
	vector<vector<int>> d;
	queue<vecotr<int>> q;
	q.push(p);
	while(!q.empty()){
		x=q.top();q.pop();
		int m1,m2,idx1,idx2;
		idx1=0,m1=x[idx1];
		for(int i=0;i<x.size();i+=2){
			if(m1>x[i]){m1=x[i],idx1=i;}
		}
		idx2=idx1+1,m2=x[idx2];
		for(int i=idx2;i<x.size();i+=2){
			if(m2>x[i]){m2=x[i],idx2=i;}	
		}
	vector<int>v={m1,m2};
	d.push_back(v);
		if(idx1>0){ vector<int> y;copy(begin(x),begin(x)+idx1,begom(y));if(y.size()==2)d.push_back(y);else q.push(y);}
		if(idx2-idx1>1){vector<int> z;copy(begin(x)+idx1+1,begin(x)+idx2,begin(z));if(z.size()==2)d.push_back(z);else q.push(z);}
		if(idx2<n-1){vector<int> w;copy(begin(x)+idx2+1,begin(x)+n,begin(w));if(w.size()==2)d.push_back(w);else q.push(w);}
	}
	sort(begin(d),end(d),[&](vector<int> x,vector<int> y){return x[0]<y[0];});
	for(auto&& w:d)for(auto&& v:w)cout<<v<<" " 

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: 'vecotr' was not declared in this scope
   10 |         queue<vecotr<int>> q;
      |               ^~~~~~
a.cc:10:25: error: template argument 1 is invalid
   10 |         queue<vecotr<int>> q;
      |                         ^~
a.cc:10:25: error: template argument 2 is invalid
a.cc:11:11: error: request for member 'push' in 'q', which is of non-class type 'int'
   11 |         q.push(p);
      |           ^~~~
a.cc:12:18: error: request for member 'empty' in 'q', which is of non-class type 'int'
   12 |         while(!q.empty()){
      |                  ^~~~~
a.cc:13:17: error: 'x' was not declared in this scope
   13 |                 x=q.top();q.pop();
      |                 ^
a.cc:13:21: error: request for member 'top' in 'q', which is of non-class type 'int'
   13 |                 x=q.top();q.pop();
      |                     ^~~
a.cc:13:29: error: request for member 'pop' in 'q', which is of non-class type 'int'
   13 |                 x=q.top();q.pop();
      |                             ^~~
a.cc:25:71: error: 'begom' was not declared in this scope
   25 |                 if(idx1>0){ vector<int> y;copy(begin(x),begin(x)+idx1,begom(y));if(y.size()==2)d.push_back(y);else q.push(y);}
      |                                                                       ^~~~~
a.cc:25:118: error: request for member 'push' in 'q', which is of non-class type 'int'
   25 |                 if(idx1>0){ vector<int> y;copy(begin(x),begin(x)+idx1,begom(y));if(y.size()==2)d.push_back(y);else q.push(y);}
      |                                                                                                                      ^~~~
a.cc:26:129: error: request for member 'push' in 'q', which is of non-class type 'int'
   26 |                 if(idx2-idx1>1){vector<int> z;copy(begin(x)+idx1+1,begin(x)+idx2,begin(z));if(z.size()==2)d.push_back(z);else q.push(z);}
      |                                                                                                                                 ^~~~
a.cc:27:123: error: request for member 'push' in 'q', which is of non-class type 'int'
   27 |                 if(idx2<n-1){vector<int> w;copy(begin(x)+idx2+1,begin(x)+n,begin(w));if(w.size()==2)d.push_back(w);else q.push(w);}
      |                                                                                                                           ^~~~
a.cc:30:51: error: expected ';' before '}' token
   30 |         for(auto&& w:d)for(auto&& v:w)cout<<v<<" "
      |                                                   ^
      |                                                   ;
   31 | 
   32 | }
      | ~