#include <vector>
#include <iostream>
#include <fstream>
#include <cstring>
#include <cstdlib>
#include <string>
using namespace std;

#define INFILE "rmq.in" 
#define OUTFILE "rmq.out"
#define NMAX 100010
#define LOGMAX 20

ifstream fin(INFILE);
ofstream fout(OUTFILE);

int n, m, rmq[NMAX][LOGMAX];

int main() {
   fin >> n >> m;
   for(int i=1; i<=n; i++) {
      fin >> rmq[i][0];
   }

   for(int i=1; i<=n; i*=2) 
      for(int j=1; j+i<=n; j++)
         rmq[j][i] = min(rmq[j][i/2], rmq[j+1][i/2]);

   int a, b, l, nr2;
   for(int i=0; i<m; i++)
   {
      fin >> a >> b;
      l = b-a;
      nr2 = -1;
      while(l) {
         nr2++;
         l>>=1;
      }
      fout << min(rmq[a][nr2], rmq[b-(1<<nr2)+1][nr2]) << '\n';
   }
   return 0;
}