#include <fstream>
#include <cmath>

using namespace std;

ifstream cin("rmq.in");
ofstream cout("rmq.out");

int rmq[19][100005];
int e;
int n, m;

int main()
{
    int i, j, L=1, exp;
    cin >> n >> m;
    for (i = 1; i <= n; i++)
        cin >> rmq[0][i];
    e= log2(n);
    for (i = 1; i <= e; i++)
    {
        L=(1<<L);
        for (j = 1; j <= n - L + 1; j++)
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + L / 2]);
    }
    while (m)
    {
        cin >> i >> j;
        exp = log2(j - i + 1);
        L = (1 << exp);
        cout << min(rmq[exp][i], rmq[exp][j - L + 1]) << "\n";
        m--;
    }
    return 0;
}