#include<fstream>
#include <vector>
using namespace std;
#define lung 100002
#define numar 18
ifstream fin("rmq.in");
ofstream fout("rmq.out");
long int rmq[numar][numar],n,m,lg[lung],v[lung];
int main()
{long int i,j,l,a,b;
	fin >> n >> m;
	for (i=1;i<=n;i++)
		fin >> v[i];
	lg[1]=0;
	for (i=2;i<=n;i++)
		lg[i]=lg[i/2]+1;
	for (i=1;i<=n;i++)
		rmq[0][i]=v[i];
	for (i=1;(1<<i)<=n;i++)
		for (j=1;j<=n-(1<<i)+1;j++)
		{   l=1<<(i-1);
			rmq[i][j]= min( rmq[i-1][j] , rmq[i-1][j+l] );
		}
    int diff,sh;
	for (i=1;i<=m;i++)
	{   fin >> a >> b;
		diff=b-a+1;
		l=lg[diff];
		sh=diff - (1<<l);
		fout << min(rmq[l][a],rmq[l][a+sh]) << '\n';
	}	
	return 0;
}