#include <bits/stdc++.h>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
const int nmax = 100005;
int rmq[22][4 * nmax], n, m, p[nmax];
void Build()
{
    p[1] = 0;
    for(int i = 2; i <= n; i++)
        p[i] = p[i / 2] + 1;

    int L = p[n];

    for(int i = 1; i <= L; 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))]);

}

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

    Build();

    int x, y;
    for(int i = 1; i <= m; i++)
    {
        fin >> x >> y;
        if(x > y) swap(x, y);

        int L = p[y - x + 1];
        int t = rmq[L][x];
        int t1 = rmq[L][y - (1 << L) + 1];
        fout << min(t, t1) << "\n";
    }
}
int main()
{
    Citire();
    return 0;
}