#include <iostream>
#include <fstream>

using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");

int lg[100005],mat[18][100005];
int i,j,l,r,x,y,dist,n,m,aux;
int main ()
{
	f>>n>>m;
	for (i=1;i<=n;i++)
		f>>mat[0][i];
	for (i=2;i<=n;i++)
		lg[i]=lg[i/2]+1;
	for (i=1;(1<<i)<=n;i++) {
			l=1<<(i-1);
		for (j=1;j<=n-(1<<i)+1;j++)
			mat[i][j]=min(mat[i-1][j],mat[i-1][j+l]);
	}
	for (i=1;i<=m;i++) {
		f>>x>>y;
		dist=y-x+1;
		l=lg[dist];
		r=dist-(1<<l);
		aux=(mat[l][x]<mat[l][x+r]?mat[l][x]:mat[l][x+r]);
		g<<aux<<'\n';
	}
}