#include <iostream>
#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");

int rmq[17][100001], lg[100001], v[100001], n, m;

int main()
{
    f >> n >> m;
    for(int i = 1; i <= n; i++)
        f >> v[i];
    for(int i = 1; i <= n; i++)
        rmq[0][i] = v[i];

    lg[1] = 0;
    for(int i = 2; i <= n; i++)
        lg[i] = lg[i / 2] + 1;
    for(int i = 1; (1 << i) <= n; i++)
        for (int j = 1; j + (1 << i) - 1 <= n; j++)
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i-1))]);
    for (int i = 0; i < m; i++)
    {
        int x, y;
        f >> x >> y;
        int l = y - x + 1;
        int log = lg[l];
        int s = l - (1 << log);
        g << min(rmq[s][x], rmq[log][x + s])<<'\n';
    }



    return 0;
}