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

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



int v[int(1e5) + 1];
int rmq[int(1e5)+1][18];

int Log[int(1e5) + 1];


int queryMin(int x, int y)
{
    int len=y-x+1;
    int p=log2(len);
    int lg=(1<<p);
    return min(rmq[x][p],rmq[y-lg+1][p]);
}

int main()
{
    int n,m;

    fin>>n>>m;

    //read the array
    for(int i=1;i<=n;++i)
    {
        fin>>v[i];
    }

    //precompute log
    Log[1]=0;
    for(int i=2;i<=n;++i)
        Log[i]=Log[i/2]+1;

    //precompute rmq
    for(int i=1;i<=n;++i)
    {
        rmq[i][0]=v[i];
    }

    for(int j=1;j<=Log[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]);
        }
    }

   for(int i=1;i<=m;i++)
   {
        int x,y;
        fin>>x>>y;
        fout<<queryMin(x,y)<<endl;
   }
   fin.close();
   fout.close();
   return 0;

}