#include <iostream>
#include <fstream>

using namespace std;

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

int n, m, st, dr, ii;
int d[20][100010], lg[100010];


int main (){
     lg[1]=0;
     for(int i=2; i<=n; i++)
          lg[i]=lg[i/2]+1;


     fin>>n>>m;
     for(int i=1; i<=n; i++)
          fin>>d[0][i];


     for(int e=1; (1<<e)<=n; e++)
          for(int i=1; i<=n; i++){
               d[e][i]=d[e-1][i];
               ii=i+(1<<(e-1));

               if(ii <= n && d[e][i] > d[e-1][ii])
                    d[e][i]=d[e-1][ii];
          }

     for(int i=1; i<=m; i++){
          fin>>st>>dr;
          ii=lg[dr-st+1];
          fout<<min(d[ii][st], d[ii][dr - (1<<ii)+1])<<"\n";
     }


     return 0;
}