#include <fstream>
#include <vector>

using namespace std;

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

#define NMAX 100002
#define LMAX 18

long int rmq[LMAX][NMAX];
long int n, m;
long int lg[NMAX];
long int a[NMAX];

int main()
{


    fin >> n >> m;

    for (long int i = 1; i <= n; i++)
        fin >> a[i];

    lg[1] = 0;
    for (long int i=2; i <= n; i++)
        lg[i] = lg[i / 2] + 1;

    for (long int i = 1; i <= n; i++)
        rmq[0][i] = a[i];

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

    long int x,y,diff,sh;

    for (long int i = 1; i <= m; i++)
    {
        fin >> x >> y;

        diff = y - x + 1;
        long int l = lg[diff];
        sh = diff - (1 << l);
        fout << min(rmq[l][x], rmq[l][x + sh]) << '\n';
    }
    return 0;
}