#include <bits/stdc++.h>
#define nl '\n'

using namespace std;

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

const int nax = 1e5+10;
int v[nax], rmq[18][nax], n, m, lg[nax];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    fin >> n >> m;
    lg[1] = 0;
    for (int i = 1; i <= n; i++)
    {
        fin >> v[i];
        rmq[0][i] = v[i];
    }
    for (int i = 2; i <= n; i++)
        lg[i] = lg[i/2]+1;
    int k = lg[n];
    for (int i = 1; i <= k; 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 low, high;
        fin >> low >> high;
        int p = lg[high-low+1];
        fout << min(rmq[p][low], rmq[p][high-(1<<p)+1]) << nl;
    }
    return 0;
}

/**
so anxious, my thoughts
your lips were soft like winter
in your passion, I was lost
**/