#include<fstream>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int a[17][100010],b[100010];
int main()
{
    int n,m;
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        cin>>a[0][i];
    for( int p=1;(1<<p)<=n;p++)
        for(int i=1;i<=n;i++)
        {
            a[p][i]=a[p-1][i];
            int j=i+(1<<(p-1));
            if(j<=n&&a[p][i]>a[p-1][j])
                a[p][i]=a[p-1][j];
        }

    for(int i=2;i<=n;i++)
        b[i]=1+b[i/2];
    int x,y;
    for(;m;m--)
    {
        cin>>x>>y;
        int e=b[x-y+1];
        int lung=(1<<e);
        cout<<min(a[e][x],a[e][y-lung+1])<<'\n';
    }

}