#include<fstream>
#include<math.h>
#define lim 100001
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,h,po[lim],A[lim],i,j,t[20][lim];
int min(int a,int b){
	if(a<b)
		return a;
	return b;
}
void read(){
	f>>n>>m;
	for(i=1;i<=n;i++){
		f>>t[0][i];
	}
}
void precalculare(){
	for(i=2;i<=lim;++i)
		po[i]=po[i/2]+1;
}
void rmq(){
	for(i=1;(1<<i)<=n;++i){
		
		for(j=1;j+(1<<i)-1<=n;++j){
			
			t[i][j]=min(t[i-1][j],t[i-1][j+(1<<(i-1))]);
		}
	}
}
void print(){
	int a,b;
	for(i=1;i<=m;i++){
		f>>a>>b;
		h=po[b-a+1];
		g<<min(t[h][a],t[h][b+1-(1<<h)])<<"\n";
	}
}
int main (){
	read();
	precalculare();
	rmq();
	print();
	return 0;
}