#include <iostream>
#include <fstream>
#include <vector>
#include <stdio.h>
#define NMAX 100002
#define LMAX 18

using namespace std;
long int rmq[LMAX][NMAX];
long int n,m;
long int lg[NMAX];
long int a[NMAX];
int main()
{

    ifstream f("rmq.in");
    ofstream g("rmq.out");
    long int i,j,l;
    f>>n>>m;
    for(int i=1;i<=n;i++)
    {
        f>>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 int x,y,diff,sh;

    for (i=1;i<=m;i++)
    {
       f>>x>>y;

        diff=y-x+1;
        l=lg[diff];
        sh=diff - (1<<l);
     g<<min(rmq[l][x],rmq[l][x+sh])<<endl;
    }
    return 0;
}