#include <iostream>
#include <fstream>
#include <cstdio>
#define nmax 100001
using namespace std;
ofstream g("rmq.out");
int n,m,i,a[nmax],rmq[18][nmax],lg[nmax],j,diff,l,x,y,sh;
int main()
{
    freopen("rmq.in","r",stdin);
    scanf("%d%d",&n,&m);
    for (i=1;i<=n;i++)
        scanf("%d",&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] );
        }

     for (i=1;i<=m;i++)
     {
        scanf("%d%d",&x,&y);
        diff=y-x+1;
        l=lg[diff];
        sh=diff-(1<<l);
        g<<min(rmq[l][x],rmq[l][x+sh])<<'\n';
    }
    return 0;
}