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

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];

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);

    long int i,j,l,y,x;

    scanf("%ld %ld",&n,&m);

    for (i=1;i<=n;i++)
        scanf("%ld ",&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<<i);j <=n; 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("%ld %ld",&x,&y);
        l=lg[y-x+1];
        printf("%ld\n",min(rmq[l][x-1+(1<<l)],rmq[l][y]) );
    }
    return 0;
}