#include <fstream>
#include <cmath>

using namespace std;

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

int i,t[100001],j,m,n,a,b,lg[100001];
int q[20][100001];
int main()
{
    fin>>n>>m;
    for (int i=1;i<=n;i++)
        fin>>t[i];
    for (int i=2;i<=100001;i++)
            lg[i]=lg[i/2]+1;
    int p=0,n1=n;
    while (n1>2) {p++; n1/=2;}

    for (i=1;i<=n;i++)
        q[0][i]=t[i];
    for (j=1;1 << j<=n ; j++)
     for (i=1;i+ (1<<j)-1<=n;i++)
     {
         q[j][i]=min(q[j-1][i],q[j-1][i+(1<<(j-1))]);
     }
    for (i=1;i<=m;i++)
    {
        fin>>a>>b;
        p=lg[b-a];
        fout<<min(q[p][a],q[p][b-(1<<p)+1])<<"\n";
    }
    return 0;
}