#include<fstream>
#include<vector>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
#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()
{
    long int i,j,l;
    f>>n>>m;
    for(i=1;i<=n;i++)
      f>>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++)
    {
        f>>x>>y;
        diff=y-x+1;
        l=lg[diff];
        sh=diff-(1<<l);
        g<<min(rmq[l][x],rmq[l][x+sh])<<"\n";
    }
    return 0;
}