#include <stdio.h>
#include <vector>
#include <iostream>
#include<fstream>

using namespace std;

#define NMAX 100002
#define LMAX 18

long int rmq[LMAX][NMAX];
long int n,m;
long int lg[NMAX];
long int a[NMAX];
 ifstream in ("rmq.in");
 ofstream out ("rmq.out");
 int minim (int a1,int b1)
 {
     if (a1<b1) return a1;
     return b1;
 }
int main()
{


    long int i,j,l;

    in>>n>>m;

    for (i=1;i<=n;i++)
        in>>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]= minim( rmq[i-1][j] , rmq[i-1][j+l] );
        }

    long int x,y,diff,sh;

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

        diff=y-x+1;
        l=lg[diff];
        sh=diff - (1<<l);
        out<<minim(rmq[l][x],rmq[l][x+sh])<<"\n";
    }
    return 0;
}