#include <iostream>
#include <fstream>
using namespace std;

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

#define NMAX 100005
#define LMAX 18

int lg[NMAX], a[NMAX];
int rmq[LMAX][LMAX];
int n, m;

void citire()
{
    fin>>n>>m;
    for(int i=1; i<=n; i++)
    fin>>a[i];
}

int main()
{
    citire();
    int l;
    lg[1]=0;
    for(int i=2; i<=n; i++)
    {
    lg[i]=lg[i/2]+1;
    }
    for(int i=1; i<=n; i++)
    {
    rmq[0][i]=a[i];
    }
    for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n-(1<<i)+1; j++)
    {
    l=(1<<(i-1));
    rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+1]);
    }
    for(int i=1; i<=m; i++)
    {
    int x, y;
    fin>>x>>y;
    int diff;
    diff=y-x+1;
    l=lg[diff];
    int sh=diff-(1<<l);
    fout<<min(rmq[l][x], rmq[l][x+sh])<<'\n';
    }
    return 0;
}