#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

int N,M,X[NMax];
int RMQ[20][NMax];
const int NMax = 100005;

void Read()
{
    fin>>N>>M;
    for(i=1;i<=N;i++)
        fin>>X[i];
}

void Precalculate()
{
  for(int i = 1; i <= N; ++i)
    RMQ[0][i] = X[i];
  for(int i = 1; (1<<i) <= N; ++i)
      for(int j = 1; j <= N -((1<<i) - 1); ++j )
          RMQ[i][j] = min(RMQ[i-1][j],RMQ[i-1][ j + (1<<(i-1)) ]);
}

void SolveandPrint()
{
  while(M--)
    {
      int x,y;
      fin>>x>>y;
      int k = y - x + 1;
      k = log2(k);
      fout << min(RMQ[k][x],RMQ[k][y-(1<<k)+1])<<"\n";
    }
}

int main()
{
    Read();
    Precalculate();
    SolveandPrint();
    return 0;
}