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


long n,m;
long a[100002];
long  lg[100002] , rmq[18][100002] ;


int main()
{
    long i,j,l;
    fin>>n>>m;
    for(i=1;i<=n;++i)
     fin>>a[i];

    lg[1]= 0;
    for (i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;

    for (i=1;i<=n;i++)
        rmq[0][i]=a[i];

    for (i=1; (1 << i)<=n;i++)
        for (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 x,y,dif,sh;
      for (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' ;
    }

    return 0;
}