#include <stdio.h>
#define DIM 100005
#define LOG 20

int rmq[LOG][DIM];
int log[DIM];
int n,m;

void read ()
{
    int i;
    scanf ("%d%d",&n,&m);
    for (i=1; i<=n; ++i)
        scanf ("%d",&rmq[0][i]);
}

int min (int a,int b)
{
    if (a<b)
        return a;
    return b;
}

void proc ()
{
    int i,j;
    for (i=2; i<=n; ++i)
        log[i]=log[i/2]+1;
    for (i=1; (1<<i)<=n; ++i)
        for (j=1; j<=n-(1<<i)+1; ++j)
            rmq[i][j]=min (rmq[i-1][j],rmq[i-1][j+(1<<i-1)]);
}

void solve ()
{
    int i,x,y,lg;
    for (i=1; i<=m; ++i)
    {
        scanf ("%d%d",&x,&y);
        lg=log[y-x+1];
        printf ("%d\n",min (rmq[lg][x],rmq[lg][y-(1<<lg)+1]));
    }
}

int main ()
{
    freopen ("rmq.in","r",stdin);
    freopen ("rmq.out","w",stdout);
    read ();
    proc ();
    solve ();
    return 0;
}