#include <cstdio>
#include <fstream>
#define NMAX 100002
#define LMAX 18

using namespace std;

ofstream cout("rmq.out");


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

int main()
{
   FILE*fin=freopen("rmq.in","r",stdin);

    int i,j,l;

    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] );
        }

    int x,y,diff,sh;

    for (i=1;i<=m;i++)
    {
        scanf("%d %d",&x,&y);

        diff=y-x+1;
        l=lg[diff];
        sh=diff - (1<<l);
      cout<<min(rmq[l][x],rmq[l][x+sh])<<'\n';
    }
    return 0;
}