#include<iostream>
#include<cstdio>
#include<cctype>
#define gys mylove
#define MAXN 100001
using namespace std;
int m,n,a[MAXN][40],l,r;
inline void in(int &x)
{
    x=0;int f=1;char t=getchar();
    while(!isdigit(t)){if(t=='-')f=-1;t=getchar();}
    while(isdigit(t)){x=x*10+t-48;t=getchar();}
    x*=f;
}
inline int que(int l,int r){
	int k=0,minn;
	while((1<<(k+1))<=r-l+1) k++;
	minn=min(a[l][k],a[r-(1<<k)+1][k]);
	return minn;
}
inline void work(){
	in(m);in(n);
	for(int i=1;i<=m;i++) in(a[i][0]);
	for(int j=1;(1<<j)<=m;j++)
	 for(int i=1;i+(1<<j)-1<=m;i++)
	  a[i][j]=min(a[i+(1<<(j-1))][j-1],a[i][j-1]);
	for(int i=1;i<=n;i++){
		in(l);in(r);
		printf("%d ",que(l,r));
	}
}
inline int Main(){
	freopen("faithful.in","r",stdin);
	freopen("faithful.out","w",stdout);
	work();
	return 0;
}
int main(){;}
int gys=Main();