#include<fstream>


using namespace std;

#define NMAX 100002
#define LMAX 18

ifstream in("rmq.in");
ofstream out("rmq.out");

long int rmq[LMAX][NMAX];
long int n,m,i,j,l;
long int lg[NMAX];

int main()
{
    in>>n>>m;
    in>>rmq[0][1];
    for(i=2;i<=n;i++)
    {
        in>>rmq[0][i];
        lg[i]=lg[i/2]+1;
    }

    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(;m;m--)
    {
        in>>x>>y;
        l=lg[(diff=y-x+1)];
        sh=diff-(1<<l);
        out<<min(rmq[l][x],rmq[l][x+sh])<<"\n";
    }


    return 0;
}