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#include <iostream>
#include <algorithm>
 
using namespace std;
#define MAX 2000002
int V[MAX];
int test,k;
 
void build() 
{  
	for (int i = test - 1; i > 0; --i) 
		V[i] = max(V[i<<1] , V[i<<1|1]);
}
 
void query(int l , int r)
{
	int ans = 0;
    for(l+=test, r+=test; l < r; l>>=1, r>>=1) {
        if(l%2) ans = max( ans, V[l++] );
        if(r%2) ans = max( ans, V[--r] );
    }
	cout << ans << " ";
}
 
int main()
{
	scanf("%d", &test);
 
	for(int i =0; i < test ; ++i)
	{
		scanf("%d", &V[test+i]);
	}
 
	scanf("%d", &k);
 
	build();
 
	for (int i = 0, j ; i <= test-k; i++)
	{
		j = i+k-1 ;
		query(i,j);
	}
	cout << endl;
 
	return 0;
}

prog.cpp:27:2: error: use of undeclared identifier 'scanf'
        scanf("%d", &test);
        ^
prog.cpp:31:3: error: use of undeclared identifier 'scanf'
                scanf("%d", &V[test+i]);
                ^
prog.cpp:34:2: error: use of undeclared identifier 'scanf'
        scanf("%d", &k);
        ^
3 errors generated.

Standard output is empty