#include <fstream>

using namespace std;

ifstream in("rmq.in");
ofstream out("rmq.out");

int v[100001],r[17][100001],log[100001];

int main()
{
    int n,m,l,p,q;
    in>>n>>m;
    for(int i=1;i<=n;i++)
        in>>v[i];
    for(int j=1;j<=n;j++)
        r[0][j]=v[j];
    for(int i=1;(1<<i)<=n;i++)
        for(int j=1;j+(1<<i)<=n;j++)
            r[i][j]=min(r[i-1][j],r[i-1][j+(1<<(i-1))]);
    for(int i=1;i<=m;i++)
        {
            in>>p>>q;
            l=log[q-p+1];
            out<<min(r[l][p],r[l][q-(1<<l)+1])<<"\n";

        }
    return 0;
}