#include <fstream>

using namespace std;

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

int log2[N+1], r[L+1][N+1];

int main()
{
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    int n, q;
    in >> n >> q;
    for (int j = 1; j <= n; j++)
    {
        in >> r[0][j];
    }
    ///construim matricea r
    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]);
        }
    }
    ///construim vectorul log2
    log2[1] = 0;
    for (int i = 2; i <= n; i++)
    {
        log2[i] = 1 + log2[i/2];
    }
    for (int i = 0 ; i < q; i++)
    {
        int st, dr;
        in >> st >> dr;
        int e = log2[dr-st+1];
        int p = 1 << e;
        out << min(r[e][st+p-1], r[e][dr]) << "\n";
    }
    in.close();
    out.close();
    return 0;
}