#include <fstream>

using namespace std;

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

const int NMAX=1e5+5,LOGMAX=18;
int v[NMAX][LOGMAX],log[NMAX];

int main()
{
    int n,m;
    fin.tie(0);
    fin>>n>>m;
    log[1]=0;
    for(int i=2;i<=n;i++)
    {
        log[i]=log[i>>1]+1;
    }
    for(int i=1;i<=n;i++)
    {
        fin>>v[i][0];
    }
    for(int i=1;(1<<i)<=n;i++)
    {
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
             v[j][i]=min(v[j][i-1],v[j+(1<<i-1)][i-1]);
        }
    }
    for(int i=1;i<=m;i++)
    {
        int mn,mx,diff,logg;
        fin>>mn>>mx;
        diff=mx-mn+1;
        logg=log[diff];
        fout<<min(v[mn][logg],v[mn+diff-(1<<logg)][logg])<<endl;
    }
    fout.flush();
    return 0;
}