#include <iostream>
#include <fstream>
#include <cmath>
#define Nmax 100010
#define Logmax 18
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,a[Nmax],rmq[Nmax][Logmax],lg[Nmax];

void process()
{
    int k;
    for(int i=1;i<=n;i++)
        rmq[i][0]=a[i];

    for(int j=1; 1<<j <=n;j++)
    {
        for(int i=1; i+ (1<<j)-1 <=n;i++)
        {
            k=1<<(j-1);
            rmq[i][j]=min(rmq[i][j-1],rmq[i+k][j-1]);
        }

    }
}

int query(int x,int y)
{
    int diff=y-x+1;
    int l=lg[diff];
    int sh=diff - (1<<l);
    return min(rmq[x][l],rmq[x+sh][l]);
}

int main()
{
    f >> n >> m;
    for(int i=1;i<=n;i++)
    {
        f >> a[i];
    }

    lg[1]=0;
    for(int i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;

    process();
    int x,y;
    for(int i=0;i<m;i++)
    {
        f >> x >> y;
        g << query(x,y) << "\n";
    }


    return 0;
}