#include <bits/stdc++.h>

#define NMAX 100002
#define LMAX 18

using namespace std;

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

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

int main()
{
    int l;
    in >> n >> m;
    for (int i = 1; i <= n; ++i)
        in >> a[i];
    lg[1] = 0;
    for (int i = 2; i <= n; ++i)
        lg[i] = lg[i / 2] + 1;
    for (int i = 1; i <= n; ++i)
        rmq[0][i] = a[i];
    for (int i = 1; (1 << i) <= n; ++i)
    {
        for (int 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 x, y, diff, sh;
    for (int i = 1; i <= m; ++i)
    {
        in >> x >> y;
        diff = y - x + 1;
        l = lg[diff];
        sh = diff - (1 << l);
        out << min(rmq[l][x], rmq[l][x + sh]) << '\n';
    }
    return 0;
}