#include <iostream>
#include <fstream>
#include <cmath>

using namespace std;
ifstream in ("rmq.in");
ofstream out ("rmq.out");

int v[100001];
int mat[100001][20];
int main() {
  int n,m;
  int i,j;
  in>>n>>m;
  for(i=1; i<=n; i++)
    in>>v[i];
  int st,dr;
  int x;
  for(i=1; i<=n; i++)
    mat[i][0]=v[i];
  for(j=1; (1<<j)<=n; j++) {
    for(i=1; i+(1<<j)-1 <= n; i++) {

      if(mat[i][j-1] < mat[i+(1<<(j-1))][j-1])
        mat[i][j] = mat[i][j-1];
      else
        mat[i][j] = mat[i+(1<<(j-1))][j-1];
    }
  }
  for(i=1; i<=m; i++) {
    in>>st>>dr;
    x=log2(dr-st+1);
    if(mat[st][x] < mat[dr-(1<<x)+1][x])
      out<<mat[i][x];
    else
      out<<mat[dr-(1<<x)+1][x];
    out<<'\n';
  }
  return 0;
}