#include <cstdio>
#include <vector>

using namespace std;

#define NMAX 100002
#define LMAX 18

int rmq[LMAX][NMAX];
int n,m,l;
int lg[NMAX];
int a[NMAX];

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    scanf("%d%d", &n, &m);
    for (int i=1; i<=n; i++)
    {
        scanf("%d", &a[i]);
        lg[1]=0;
        lg[i]=lg[i/2]+1;
        rmq[0][i]=a[i];
    }

    for (int i=1; 1<<i<=n; i++)
        for (int 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]);
        }

    int x,y,diff,sh;

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

    return 0;
}