#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX=1e5+5;
int v[NMAX];
int interval[20][NMAX];
int lungime[20],lung;
int lgg[NMAX];

int main()
{
    int n,m,x,y,k,lungime_interval,kfinal,i;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>v[i];
    for(i=1;i<=n;i++)
        interval[0][i]=v[i];
    for(i=2;i<=n;i++)
    {
        lgg[i]=lgg[i/2]+1;
    }
    for(i=1;(1<<i)<=n;i++)
        lungime[++lung]=i;
    for(k=1;k<=lung;k++)
    {
        for(i=1;i<=n;i++)
            interval[k][i]=min(interval[k-1][i],interval[k-1][i+(1<<(k-1))]);
    }
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        lungime_interval=y-x+1;
        kfinal=lgg[lungime_interval];
        fout<<min(interval[kfinal][x],interval[kfinal][y-(1<<kfinal)+1])<<"\n";
    }
    return 0;
}