#include <fstream>
#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];
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int main()
{
    long int i,j,l;
    cin>>n>>m;
    for(i=1; i<=n; i++)
        cin>>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++)
    {
        cin>>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;
}