#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;

fstream fin("rmq.in", ios::in);
fstream fout("rmq.out", ios::out);

long int rmq[18][100002], a[100002];

int main() {
    long int n, m;
    fin >> n >> m;

    for (long int i = 1; i <= n; i++)
        fin >> a[i];

    for (long int i = 1; i <= n; i++)
        rmq[0][i] = a[i];

    for (long int i = 1; (1 << i) <= n; i++)
        for (long int j = 1; j <= n - (1 << i) + 1; j++)
        {
            long int l = 1 << (i - 1);
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + l]);
        }

    long int x, y, d;
    for (long int i = 1; i <= m; i++) {
        fin >> x >> y;
        d = y - x + 1;
        long int l = (int)log2(d);
        d = d - (1 << l);
        fout << min(rmq[l][x], rmq[l][x + d]) << "\n";
    }
    return 0;
}