#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

#define NMAX 100010
#define LMAX 18

long int rmq[LMAX][NMAX];
long int lg[NMAX];

int main()
{
    long int n, m, l;
    fin>>n>>m;
    lg[1] = 0;
    for(int i = 2; i <= n; i++)
        lg[i] = lg[i/2] + 1;
    for(int i = 1; i <= n; i++)
        fin>>rmq[0][i];

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

    long int x, y, dif, sh;
    for(int i = 1; i <= m; i++)
    {
        fin>>x>>y;
        dif = y - x + 1;
        l = lg[dif];
        sh = dif - (1 << l);
        fout << min(rmq[l][x], rmq[l][x + sh])<<'\n';
    }

}