#include <bits/stdc++.h>

using namespace std;

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

int p[100005], rmq[22][100005], n, m;
void Putr2()
{
    p[1] = 0;
    for(int i = 2; i <= n ; i++)
        p[i] = p[i / 2] + 1;

}
void RMQ()
{
    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))]);
}
int main()
{
    int x, y, L;
    fin >> n >> m;
    for(int i = 1; i <= n; i++)
        fin >> rmq[0][i];
    Putr2();
    RMQ();

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

        L = p[y - x + 1];
        if(rmq[L][x] < rmq[L][y - (1 << L) + 1])
            fout << rmq[L][x] << "\n";
        else fout << rmq[L][y - (1 << L) + 1] << "\n";
    }
    return 0;
}