#include<iostream>
#include<cstdio>
#include<cmath>
#include<vector>
using namespace std;
vector<int> a;
int n,m,dp[1600010][32];
inline int read(){
	int x=0,f=1;char ch=getchar();
	while (ch<'0'||ch>'9'){if (ch=='-') f=-1;ch=getchar();}
	while (ch>='0'&&ch<='9'){x=x*10+ch-48;ch=getchar();}
	return x*f;
}
int query(int L,int R){
	int j=(int) log2(R-L+1);
	return min(dp[L][j],dp[R-(1<<j)+1][j]);
}
int main(){
	n=read();
	m=read();
	a.push_back(0);
	for(int i=1;i<=n;++i){
		a.push_back(read());
	}
	for(int i=1;i<=a.size();++i){
		dp[i][0]=a[i];
	}
	int t=log2(a.size());
	for(int j=1;j<=t;++j){
		for(int i=1;i+(1<<j)-1<a.size();++i){
			dp[i][j]=min(dp[i][j-1],dp[i+(1<<(j-1))][j-1]);
		}
	}
	cout<<0<<endl;
	int i=1;
	while(i<=m){
		printf("%d\n",query(1,i-1));
		i+=1;
	}
	while(i<=n){
		printf("%d\n",query(i-m,i-1));
		i+=1;
	}
	return 0;
}

一开始用的数组MLE了，正在尝试vector结果RE了