#include <fstream>
#include <cmath>

using namespace std;

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

int exponent[100001],n,m,a[21][100001],d,b;
int main()
{
    exponent[1]=0;
    for(int i=2;i<=n;i++)
    {
        exponent[i]=exponent[i/2]+1;
    }
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>a[0][i];
    }
    for(int p=1;(1<<p)<=n;p++)
    {
        for(int i=1;i<=n;i++)
        {
            a[p][i]=a[p-1][i];
            if(i+(1<<(p-1))<=n && a[p][i]>a[p-1][i+(1<<(p-1))])
            {
                a[p][i]=a[p-1][i+(1<<(p-1))];
            }
        }
    }
    for(int j=1;j<=m;j++)
    {
        fin>>d>>b;
        int x=b-d+1;
        int y=exponent[x];
        fout<<min(a[y][d], a[y][b-(1<<y)+1])<<"\n";
    }
    return 0;
}