#include <fstream>

using namespace std;

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

const int NMAX = 1e5;
const int LMAX = 16;

int r[LMAX + 1][NMAX + 1], log[NMAX];

int main()
{
    int n, q;
    in >> n >> q;
    for (int j = 1; j <= n; j++)
    {
        in >> r[0][j];
    }
    for (int i = 1; (1 << i) <= n; i++)
    {
        for (int j = (1 << i); j <= n; j++)
        {
            int p = (1 << (i - 1));
            r[i][j] = min(r[i - 1][j - p], r[i - 1][j]);
        }
    }
    log[1] = 0;
    for (int i = 2; i <= n; i++)
    {
        log[i] = 1 + log[i / 2];
    }
    for (int i = 1; i <= q; i++)
    {
        int st, dr;
        in >> st >> dr;
        int l, p, rez;
        l = log[dr - st + 1];
        p = (1 << l);
        rez = min(r[l][st + p - 1], r[l][dr]);
        out << rez << "\n";
    }
    return 0;
}