#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n, m, v[18][100010];
int main()
{
    fin >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        fin >> v[0][i];
    }
    int exp = 1;
    for (int p2 = 2; p2 <=n; p2*=2)
    {
        for (int i = 1; i <= n - p2/2 + 1; i++)
        {
            v[exp][i] = min(v[exp-1][i], v[exp-1][i+(p2/2)]);
        }
        exp++;
    }
    for (int i = 1; i <= m; i++)
    {
        int x, y;
        fin >> x >> y;
        int lg = y-x+1;
        int mg = log2(lg);
        fout << min(v[mg][x], v[mg][y-(1<<mg)+1]) << '\n';
    }
    return 0;
}