#include <fstream>
#include <cmath>
using namespace std;

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

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

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