#include <fstream>
#define nmax 100004
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,v[nmax],rmq[nmax][20],x,y,l,lg[nmax];
void constr (void)
{
    for (int i=1;i<=n;i++) rmq[i][0]=v[i];
    for (int j=1;(1<<j)<=n;j++)
        for (int i=1;i+(1<<j)-1<=n;i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    lg[1]=0;
    for (int i=2;i<=n;i++) lg[i]=lg[i/2]+1;
}
int main()
{
    f>>n>>m;
    for (int i=1;i<=n;i++) f>>v[i];
    constr();
    for (int i=1;i<=m;i++)
    {
        f>>x>>y;
        l=lg[y-x+1];
        g<<min(rmq[x][l],rmq[y-(1<<l)+1][l])<<'\n';
    }
    f.close();
    g.close();
    return 0;
}