#include <fstream>
#define NMAX 10000

using namespace std;

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

int M[NMAX][NMAX], A[NMAX];

int main()
{
  int n, m, x, y;

  fin >> n >> m;
  for (int i = 1; i <= n; i++)
    fin >> A[i];

  for (int i = 1; i <= n; i++)
    M[i][i] = A[i];
  for (int i = 1; i <= n; i++)
    for (int j = i + 1; j <= n; j++)
      M[i][j] = min(M[i][j - 1], A[j]);

 for (int i = 1; i <= m; i++)
 {
   fin >> x >> y;
   fout << M[x][y] << '\n';
 }

  fin.close();
  fout.close();

  return 0;
}