#include <fstream>
#define Nmax 100005
using namespace std;
ifstream fin ("rmq.in");
ofstream fout ("rmq.out");

int a[Nmax], m[Nmax][30], i, j, k, n, q, x, y, lg;
int main()
{
    fin >> n >> q;
    for(i=1;i<=n;i++)
        fin >> a[i];

    for(i=1;i<=n;i++)
        m[i][0]=a[i];

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

    for(i=1;i<=q;i++)
    {
        fin >> x >> y;
        lg=y-x+1;
        for(k=1;1<<(k+1)<=lg;k++);

        fout << min(m[x][k], m[y-(1<<k)+1][k]) << '\n';
    }
    return 0;
}