#include <fstream>
using namespace std;
int rmq[100][100001],a[100001],lg[100001];

int main()
{
    ifstream fin("rmq.in");
    ofstream fout("rmq.out");
    long int n,m;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>a[i];


	for (int i=1;i<=n;i++)
		rmq[0][i]=a[i];//pentru intervale de lungime 0

    lg[1]=0;
    for (int i=2;i<=n;i++)
		lg[i]=lg[i/2]+1;//puterea lui 2 care acopera lungimea respectiva


    for(int i=1;(1<<i)<=n;i++)
        for(int j=1;j+(1<<i)-1<=n;j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+1]);
//intervalul de lungime 2^i este compus din doua intervale de lungime
    long long x,y,len,d,line;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;//capetele
        len=y-x+1;//marimea intervalului
        line=lg[len];//linia
        d=len- (1<<line) ;//cat ramane din interval neacoperit
        fout<<min(rmq[line][x],rmq[line][x+d])<<'\n';//combin intervalul acoperit cu
    }


    return 0;
}