#include <fstream>
#include <vector>

using namespace std;

vector <int> log2;
vector <vector <int>> r;

void constructie_log2(int n)
{
    log2.resize(n + 1);
    log2[1] = 0;
    for (int i = 2; i <= n; i++)
    {
        log2[i] = 1 + log2[i/2];
    }
}

int minim(int st, int dr)
{
    int exp = log2[dr-st+1];
    int p = (1 << exp);
    return min(r[exp][st+p-1], r[exp][dr]);
}

int main()
{
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    int n, q;
    in >> n >> q;
    constructie_log2(n);
    r.resize(log2[n] + 1);
    r[0].resize(n + 1);
    for (int j = 1; j <= n; j++)
    {
        in >> r[0][j];
    }
    for (int i = 1; i <= log2[n]; i++)
    {
        r[i].resize(n + 1);
        int p = (1 << (i - 1));
        for (int j = (1 << i); j <= n; j++)
        {
            r[i][j] = min(r[i-1][j-p], r[i-1][j]);
        }
    }
    for (int i = 0; i < q; i++)
    {
        int st, dr;
        in >> st >> dr;
        out << minim(st, dr) << "\n";
    }
    in.close();
    out.close();
    return 0;
}