# include <fstream>
# include <algorithm>
# define NMAX 100005
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int i,j,n,m,x,y,k,Q;
int a[20][NMAX], lg[NMAX];
int main ()
{
    f>>n>>Q;
    for (i=1; i<=n; ++i)
        f>>a[0][i];

    for (i=2; i<=n; ++i)
        lg[i]=lg[i/2]+1;

    for (i=1; i<=lg[n]; ++i)
        for (j=1; j<=n-(1<<i)+1; ++j)
            a[i][j]=min(a[i-1][j], a[i-1][j+(1<<(i-1))]);

    for (i=1; i<=Q; ++i)
    {
        f>>x>>y;
        int dif=y-x+1;
        k=lg[dif];
        g<<min(a[k][x], a[k][y-(1<<k)+1])<<"\n";
    }

    return 0;
}