#include <fstream>
#include <cmath>
#define NMAX 100005
#define LOG_MAX 17

using namespace std;

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

int v[NMAX], table[NMAX][LOG_MAX];

void setIO()
{
    ios_base::sync_with_stdio(false);
    in.tie(NULL);
    out.tie(NULL);
}

int main()
{
    setIO();
    int n, m, i, j, a, b, p;
    in >> n >> m;

    for (i = 1; i <= n; ++i)
    {
        in >> v[i];
        table[i][0] = v[i];
    }

    for (p = 1; p < LOG_MAX; ++p)
    {
        for (i = 0; i + (1 << p) - 1 <= n; ++i)
        {
            table[i][p] = min(table[i][p - 1], table[i + (1 << (p - 1))][p - 1]);
        }
    }

    for (i = 1; i <= m; ++i)
    {
        in >> a >> b;
        if (a > b)
            swap(a, b);
        int len = b - a + 1;
        int log = log2(len);
        out << min(table[a][log], table[b - (1 << log) + 1][log]) << '\n';
    }
    return 0;
}