#include <fstream>
using namespace std;

int N, M;
int v[100011];
int dp[100011][19];

void Precalc_ST ()
{
    for (int j = 1; 1 << j <= N; j++)
        for (int i = 0; i + (1 << j) - 1 < N; i++)
            if (v[dp[i][j - 1]] < v[dp[i + (1 << (j - 1))][j - 1]]) dp[i][j] = dp[i][j - 1];
            else dp[i][j] = dp[i + (1 << (j - 1))][j - 1];
}

int main ()
{
    ifstream fin ("rmq.in");
    ofstream fout ("rmq.out");
    fin >> N >> M;
    for (int i = 0; i < N; i++)
        fin >> v[i], dp[i][0] = i;
    Precalc_ST ();
    for (int i, j, k; M; M--)
    {
        fin >> i >> j;
        i--, j--;
        for (k = 0; (1 << k) <= (j - i + 1); k++);
        k--;
        if (v[dp[i][k]] <= v[dp[j - (1 << k) + 1][k]]) fout << v[dp[i][k]] << "\n";
        else fout << v[dp[j - (1 << k) + 1][k]] << "\n";
    }
    fin.close ();
    fout.close ();
    return 0;
}