#include <fstream>
#include <cstring>
#include <iostream>

using namespace std;

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

int n, m;
int log22[100001], rmq[100001][18];

int main(){
  in>>n>>m;
  for(int i=1; i<=n; i++)
    in>>rmq[i][0];
  for(int j=1; (1<<j)<=n; j++){
    for(int i=1; i+(1<<j)-1<=n; i++)
      rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
  }
  log22[1]=0;
  for(int i=2; i<=n; i++)
    log22[i]=log2[i/2]+1;
  int x,y,exp;
  for( int i=1; i<=m; i++){
    in>>x>>y;
    exp=log22[y-x+1];
    out<<min(rmq[x][exp],rmq[y-(1<<exp)+1][exp])<<'\n';
  }

return 0;
}