#include <fstream>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int i, j, n, m, x, st, dr, exp, putere, L, val, p;
int r[17][100002], e[100002];
int main() {
    cin>>n>>m;
    for(i=1;i<=n;i++){
        cin>>x;
        r[0][i]=x;
    }
    for(p=1;(1<<p)<=n;p++){
        for(i=1;i<=n;i++){
            r[p][i]=r[p-1][i];
            j=i+(1<<p-1);
            if(j<=n)
                r[p][i]=min(r[p][i], r[p-1][j]);
        }
    }
    e[1]=0;
    for(i=2;i<=n;i++){
        e[i]=e[i/2]+1;
    }
    for(i=1;i<=m;i++){
        cin>>st>>dr;
        L=dr-st+1;
        exp=e[L];
        putere=(1<<exp);
        val=min(r[exp][st], r[exp][dr-putere+1]);
        cout<<val<<"\n";

    }




}