#include <fstream>

using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int r[18][100005],E[100005],n,m,i,j,st,dr;
int p,e,len;
int main()
{
    cin>>n>>m;
    for(i=1; i<=n; i++)
        cin>>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(int i=2;i<=n;i++)
        E[i]=1+E[i/2];
    for(i=1;i<=m;i++)
    {
        cin>>st>>dr;
        e=E[dr-st+1];
        len=(1<<e);
        cout<<min(r[e][st],r[e][dr-len+1])<<'\n';
    }
    return 0;
}