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