#include<fstream>
#define inf "rmq.in"
#define outf "rmq.out"
#define NMax 100001
#define LMax 18
using namespace std;

fstream f(inf,ios::in),g(outf,ios::out);

int v[NMax];
int m[NMax][LMax];
int lg[NMax];
int N,M;

void Citire()
{
f>>N>>M;
for(int i=1;i<=N;i++)f>>v[i];
lg[1]=0;
for(int i=2;i<=N;i++)lg[i]=lg[i/2]+1;
}

void Rezolvare()
{
for(int i=1;i<=N;i++)m[i][0]=v[i];
for(int j=1; (1<<j) <= N; j++)
    {
    for(int i=1; i+ (1<<j)-1 <=N; i++)
        {
        if(m[i][j-1]<m[i+(1<<(j-1))][j-1])m[i][j]=m[i][j-1];
        else m[i][j]=m[i+(1<<(j-1))][j-1];
        }
    }
}

void Raspunde()
{
int x,y,dif;
for(int i=1;i<=M;i++)
    {
    f>>x>>y;
    dif=y-x;
    if(m[x][lg[dif]]<m[x+lg[dif]][lg[dif]])g<<m[x][lg[dif]]<<"\n";
    else g<<m[x+lg[dif]][lg[dif]]<<"\n";
    }
}

int main()
{
Citire();
Rezolvare();
Raspunde();
f.close();
g.close();
return 0;
}