#include <bits/stdc++.h>
 
using namespace std;
#define LMAX 18
#define NMAX 100002
long int rmq[LMAX][NMAX];
long int n, m;
long int lg[NMAX];
long int a[NMAX];
int main() {
    ifstream f("rmq.in");
    ofstream g("rmq.out");
    long int i, j, l;
    f >> n >> m;
    for (i = 1; i <= n; i++)
      f >> a[i];
    lg[1] = 0;
    for (i = 2; i <= n; i++)
      lg[i] = lg[i / 2] + 1;
    for (i = 1; i <= n; i++)
      rmq[0][i] = a[i];
    for (i = 1; (1 << i) <= n; i++)
      for (j = 1; j <= n - (1 << i) + 1; j++) {
        l = 1 << (i - 1);
        rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + l]);
      }
    long int  x, y, diff, sh;
    for (i = 1; i <= m; i++) {
      f >> x >> y;
      diff = y - x + 1;
      l = lg[diff];
      sh = diff - (1 << l);
      g << min(rmq[l][x],rmq[l][x+sh]) << '\n';
      }
      return 0;
    }