#include <fstream>
#define INF 1000000000
using namespace std;
ifstream fin ("rmq.in");
ofstream fout("rmq.out");
int a[17][100010];
int x[100010];
int n, m, i, j, st, dr, minim, p, e, l;
int main ()
{
    fin>>n>>m;
    for (i=1; i<=n; i++)
        fin>>a[0][i];
    for (p=1;(1<<p)<=n; p++)
        for (i=1;i<=n;i++)
        {
            a[p][i]=a[p-1][i];
            j=i+(1<<(p-1));
            if (j<=n&&a[p][i]>a[p-1][j])
                a[p][i]=a[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];
        l=(1<<e);
        fout<<min(a[e][st],a[e][dr-l+1])<<"\n";
    }

return 0;
}