#include <iostream>
#include <fstream>
#define MAX 100005
using namespace std;
ifstream f ("rmq.in");
ofstream g ("rmq.out");
int MinArb[100*MAX],n,m,x,Val,Pos,Start,Finish,minim,a,b;

void Update(int nod, int left, int right)
{
    if (left==right)
    {
        MinArb[nod]=Val;
        return;
    }

    int div=(left+right)/2;
    if (Pos<=div) Update(2*nod,left, div);
    else Update(2*nod+1, div+1,right);
    if (MinArb[2*nod]==0 || MinArb[2*nod+1]<=MinArb[2*nod]) MinArb[nod]=MinArb[2*nod+1];
    else MinArb[nod]=MinArb[2*nod];
}
void Query(int nod, int left, int right)
{
    if (left>=Start && right <= Finish)
    {
        if (minim>MinArb[nod]) minim=MinArb[nod];
        return;
    }
    int div=(left+right)/2;
    if (Start <= div) Query(2*nod, left, div);
    if (div < Finish) Query(2*nod+1,div+1,right);
}
int main()
{
    f>>n>>m;

    for (int i=1;i<=n;i++)
    {
        f>>x;
        Pos=i;
        Val=x;
        Update(1,1,n);
    }
    for (int i=1;i<=m;i++)
    {
        f>>a>>b;
        minim=1000000;
        Start=a;
        Finish=b;
        Query(1,1,n);
        g<<minim<<'\n';
    }
    return 0;
}