#include <iostream>
#include <fstream>
#include <math.h>

using namespace std;

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

int Minim[17][100001];
int n, m;//date intrare

void construireMatrice(){
  int limita = log2(n);
  for(int i = 1; i <= limita; i++)
    for(int j = 1; j <= n - i; j++)
      Minim[i][j] = min(Minim[i - 1][j], Minim[i - 1][j + (int) pow(2, i - 1)]);
}

int calculMinim(int a, int b){
  int putere = log2(b - a);
  return min(Minim[putere][a],Minim[putere][b - (int) pow(2, putere) + 1]);
}


void rezolvare(){
  in >> n >> m;
  for(int i = 1; i <= n ; i++)
    in >> Minim[0][i];
  construireMatrice();
  for(int i = 1; i <= m; i++){
    int a, b;
    in >> a >> b;
    out << calculMinim(a, b) << '\n';
  }
}

int main(){
  rezolvare();
  return 0;
}