#include <fstream>

using namespace std;

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

const int N = 1e5;
const int L = 16;

int r[L+1][N+1], log[N+1];


int minim(int st, int dr)
{
    int l = log[dr - st + 1];
    int p = (1 << l);
    return min(r[l][st+p-1], r[l][dr]);
}

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 j = 2; j <= n; j++)
    {
        log[j] = 1 + log[j/2];
    }
    for (int i = 0; i < q; i++)
    {
        int st, dr;
        in >> st >> dr;
        out << minim(st, dr) << '\n';
    }
    return 0;
}