#include <iostream>
#include <fstream>
#include <cmath>

using namespace std;

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

const int NMAX = 100000 + 1;
const int LOGMAX = 17;

int n, q;
int rmq[LOGMAX][NMAX], lg2[NMAX];

void initializeaza() {
    int l;
    for (int i = 2; i <= n; i++) lg2[i] = lg2[i / 2] + 1;
    for (int i = 1; i <= n; i++) f >> rmq[0][i];
    for (int i = 1; (1 << i) <= n; i++)
        for (int j = 1; j <= n - (1 << i) + 1; j++) {
            l = 1 << (i - 1);
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + l]);
            //cout << rmq[i][j] << ' ';
        }

}

void raspunde() {
    int a, b, dif, l, l2;
    while (q--) {
        f >> a >> b;
        dif = b - a + 1;
        l = lg2[dif];
        l2 = dif - (1 << l);
        g << min(rmq[l][a], rmq[l][a + l2]) << '\n';
    }
}

int main() {
    f >> n >> q;
    initializeaza();
    raspunde();
    return 0;
}