#include<fstream>

using namespace std;

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

int rmq[20][100005];

int LOG2[100005];

int main()
{
    int n, t; cin >> n >> t;
    for(int i = 1; i <= n; i++)
    {
        cin >> rmq[0][i];
    }
    for(int i = 1; (1 << i) <= n; i++)
    {
        for(int j = 1; j <= n - (1 << i) + 1; j++)
        {
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
        }
    }
    for(int i = 2; i <= n; i++)
    {
        LOG2[i] = LOG2[i / 2] + 1;
    }
    for(int i = 0; i < 6; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            cout << rmq[i][j] << " ";
        }
        cout << '\n';
    }
    while(t--)
    {
        int x, y;
        cin >> x >> y;
        int poz = LOG2[y - x + 1];
        cout << min(rmq[poz][x], rmq[poz][y - (1 << poz) + 1]) << '\n';
    }
    return false;
}