#define DM 100005
#define DN 16
#include <fstream>
using namespace std;

ifstream fi ("rmq.in");
ofstream fo ("rmq.out");
int rmq[DN][DM], n, m, q, p, lg[DM];

int main()
{
    fi >> n >> m;
    for (int i = 1; i <= n; ++i)
        fi >> rmq[0][i];
    for (int i = 2; i < DM; ++i)
        lg[i] = lg[i/2] + 1;
    for (int i = 1; (1<<i) - 1 <= n; ++i)
        for (int j = 1; j + (1<<i) - 1 <= n; ++j)
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);
    while (m--)
    {
        fi >> q >> p;
        fo << min(rmq[lg[p-q]][q], rmq[lg[p-q]][q+lg[p-q]]) << '\n';
    }
    return 0;
}