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