#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
#define NMAX 100002
#define LMAX 18
long int rmq[LMAX][NMAX],n,m,lg[NMAX],a[NMAX];
int main()
{
    long int i,j,l;
    f>>n>>m;
    for (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])<<"\n";
    }
    return 0;
}