#include<fstream>

using namespace std;
ifstream fin("rmq.in");
ofstream  fout("rmq.out");

const int Nmax=100002;
const int Lmax=18;
long long rmq[Lmax][Lmax],m,n,lg[Nmax],v[Nmax];

inline long long mini(long long a, long long b)
{
    if(a<b)
        return a;
    else return b;
}

int main()
{

	long long i,j,l;
    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; i<=n;i++)
		for (j=1;j <= n ;j++)
		{
		l=1<<(i-1);
		rmq[i][j]= mini( rmq[i-1][j] , rmq[i-1][j-l]);
		}

	long long x,y;

	for (i=1;i<=m;i++)
	{
		fin>>x>>y;
		l=lg[y-x+1];
		fout<<mini(rmq[l][x],rmq[l][x-1+(1<<l)])<<'\n';
	}
	fin.close();
	fout.close();
	return 0;
}