#include <fstream>
#define INF 1000000000
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][j])
                v[p][i]=v[p-1][j];
        }
    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";
    }
}