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

ifstream fin("rmq.in");
ofstream fout("rmq.out");

const int NMAX=100010;

int n,q;
int v[NMAX];
int m[NMAX][20];
void citire()
{
    fin>>n>>q;
    for (int i=1; i<=n; i++)
        fin>>v[i];
}
void construireTabel()
{
    for (int i=1; i<=n; i++)
        m[i][0]=v[i];
    for (int j=1; (1<<j)<=n; j++){
        for (int i=1; i+(1<<j)-1<=n; i++){
            m[i][j]=min(m[i][j-1],m[i+(1<<(j-1))][j-1]);
        }
    }
}
int rmq(int a, int b)
{
    int k=(int)floor(log2(b-a+1));
    return min(m[a][k],m[b-(1<<k)+1][k]);
}
void rezolvare()
{
    int a,b;
    for (int i=1; i<=q; i++){
        fin>>a>>b;
        fout<<rmq(a,b)<<'\n';
    }
}
int main()
{
    citire();
    construireTabel();
    rezolvare();
    fin.close();
    fout.close();
    return 0;
}