#include <fstream>

using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");

int r[20][100005],n,m,E[100005];
int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        cin>>r[0][i];
    E[1]=0;
    for(int i=2;i<=n;i++)
        E[i]=E[i/2]+1;
    for(int p=1;(1<<p)<=n;p++)
    {
        for(int i=1;i<=n;i++)
        {
            int j=i+(1<<(p-1));
            if(j<=n)
                r[p][i]=min(r[p-1][i],r[p-1][j]);
        }
    }
    while(m--)
    {
        int x,y;
        cin>>x>>y;
        int e=E[y-x+1];
        int len=(1<<e);
        cout<<min(r[e][x],r[e][y-len+1])<<'\n';
    }
    return 0;
}