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

int v[100002];
int a[100002][22];

int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    for(int i=1;i<=n;i++)
    {
        a[0][i]=v[i];
    }
    for(int i=1;(1<<i)<=n;i++)
    {
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i -1))]);
        }
    }
    int li,lj;
    for(int i=1;i<=m;i++)
    {
        fin>>li>>lj;
        int k=log(double(lj-li+1));
        fout<<min(a[k][li],a[k][li+(lj-li+1-(1<<k))])<<"\n";
    }
    return 0;
}