#include <fstream>
#define NMAX 100001
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,mi[NMAX][30],lg[NMAX],v[NMAX],q,x,y,l,k;
void minim()
{
    for(int i=1;i<=n;i++)
        mi[i][0]=v[i];
    for(int j=1;(1<<j)<=n;j++)
        for(int i=1;i+(1<<j)-1<=n;i++)
           if(mi[i][j-1]<mi[i+(1<<(j-1))][j-1])
              mi[i][j]=mi[i][j-1];
            else
                mi[i][j]=mi[i+(1<<(j-1))][j-1];
}
int main()
{
    fin>>n>>q;
    for(int i=1;i<=n;i++)
        fin>>v[i];
    lg[1]=0;
    for(int i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;
    minim();

    for(int i=1;i<=q;i++)
    {
        fin>>x>>y;
        l=y-x+1;
        k=lg[l];
        fout<<min(mi[x][k],mi[x+l-(1<<k)][k])<<"\n";
    }
    return 0;
}