#include <fstream>
#include <vector>
#define NMAX 100002
#define LMAX 18

using namespace std;

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

long int rmq[LMAX][NMAX];
long int n, m;
long int lg[NMAX];
long int a[NMAX];
long int i, j, l;
long int x, y, diff, sh;
long int sol;

int main()
{
    fin >> n >> m;
    for (i=1; i<=n; i++)
        fin >> a[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] = a[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]);
        }
    for (i=1; i<=m; i++)
    {
        fin >> x >> y;
        diff = y - x + 1;
        l = lg[diff];
        sh = diff - (1<<l);
        sol = min (rmq[l][x],rmq[l][x+sh]);
        fout << sol << "\n";
    }
    return 0;
}