#include<iostream>
#include<bits/stdc++.h>
#include<fstream>
using namespace std;



int rmq[20][10000];

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

//rmq[i][j] =

int main()
{
    int n,m,k;
    fin>>n>>m;
    int lg[10000];

    lg[0] = 1;
    for(int i = 1;i<=n;i++)
    {
        lg[i] = log(i>>1)+1;
    }

    for(int i=1;i<=n;i++)
    {
        fin>>rmq[0][i];
    }

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

    for(int i=1;i<=m;i++)
    {
        int a,b;
        fin>>a>>b;
        k = log(b-a);
        fout<<min(rmq[k][a] , rmq[k][b-k])<<'\n';
    }

}