#include <fstream>
using namespace std;

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

int rmq[18][100001];
int v[100001];
int putere2[100001];
int main()
{
    int n,m;
    cin >>n>>m;
    for (int i = 1; i <= n; i++)
    {
        cin >>v[i];
        rmq[0][i] = v[i];
    }
    for (int i = 1; (1 << i) <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            rmq[i][j] = rmq[i - 1][j];
            int nr = (1 << (i - 1));
            if (j + nr <= n && rmq[i][j] >= rmq[i - 1][j + nr])
            {
                rmq[i][j] = rmq[i - 1][j + nr];
            }
        }
    }
    for (int i = 2; i <= n; i++)
    {
        putere2[i] =  putere2[i / 2] + 1;
    }
    for (int i = 1; i <= m; i++)
    {
        int st,dr;
        cin >>st>>dr;
        int nr = putere2[dr - st + 1];
        cout <<min(rmq[nr][st] , rmq[nr][dr - (1 << nr) + 1])<<"\n";
    }
    return 0;
}