#include <fstream>
#include <vector>

using namespace std;

const int INF = 1e6;

int main() {
    ifstream in("rmq.in");
    int n, q;
    in >> n >> q;
    vector <int> log_2(n + 1, 0);
    log_2[1] = 0;
    for (int i = 2; i <= n; i++) {
        log_2[i] = log_2[i >> 1] + 1;
    }
    vector <vector<int>> r(1 + log_2[n], vector<int>(n, INF));
    for (int j = 1; j <= n; j++) {
        in >> r[0][j];
    }
    for (int i = 1; i <= log_2[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]);
        }
    }
    ofstream out("rmq.out");
    for (int i = 0; i < q; i++) {
        int st, dr;
        in >> st >> dr;
        int l = log_2[dr-st+1];
        int p = 1 << l;
        out << min(r[l][st+p-1], r[l][dr]) << "\n";
    }
    in.close();
    out.close();
    return 0;
}