#include <iostream>
#include <fstream>

using namespace std;

int v[100001], log2[100001], rmq[17][100001];

int main()
{
    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    int n, m, i, j, e, p, st, dr;
    cin >> n >> m;
    for(i = 1; i <= n; i++)
    {
        cin >> v[i];
        rmq[0][i] = v[i];
    }
    for(i = 1; (1 << i) <= n; i++)
    {
        for(j = 1; j + (1 << i) - 1 <= n; j++)
        {
            p = (1 << (i - 1));
            rmq[i][j] = min(rmq[i - 1][j + p], rmq[i - 1][j]);
        }
    }
    log2[1] = 0;
    for(i = 2; i <= n; i++)
    {
        log2[i] = 1 + log2[i / 2];
    }
    for(i = 1; i <= m; i++)
    {
        cin >> st >> dr;
        e = log2[dr - st + 1];
        p = (1 << e);
        cout << min(rmq[e][st], rmq[e][dr - p + 1]) << "\n";
    }
    return 0;
}