#include <fstream>
using namespace std;
ifstream fin ("rmq.in");
ofstream fout("rmq.out");
int n,m,i,j,st,dr,minim,p,e,len,x[100010],v[17][100010];
int main ()
{
    fin>>n>>m;
    for (i=1; i<=n; i++)
        fin>>v[0][i];
    for (p=1; (1<<p)<=n; p++)
    {
        for (i=1; i<=n; i++)
        {
            v[p][i]=v[p-1][i];
            j=i+(1<<(p-1));
            if (j<=n&&v[p][i]>v[p-1][j])
                v[p][i]=v[p-1][j];
        }
    }
    x[1]=0;
    for (i=2; i<=n; i++)
        x[i]=1+x[i/2];
    for (i=1; i<=m; i++)
    {
        fin>>st>>dr;
        e=x[dr-st+1];
        len=(1<<e);
        fout<<min(v[e][st],v[e][dr-len+1])<<"\n";
    }
}