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

using namespace std;

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

const int NMAX = 100000 + 1;
const int LOG2 = 17;

int n, m;
int lg2[NMAX];
int rmq[LOG2][NMAX];

void citeste() {
    f >> n >> m;
    for (int i = 1; i <= n; i++) f >> rmq[0][i];
}

void precalculeaza() {
    for (int i = 2; i <= n; i++) lg2[i] = lg2[i / 2] + 1;
    for (int p = 1; (1 << p) <= n; p++) {
        int lg = (1 << (p - 1));
        for (int j = 1; j <= n - lg + 1; j++) {
            rmq[p][j] = min(rmq[p - 1][j], rmq[p - 1][j + lg]);
        }
    }
}

void rezolva() {
    int a, b;

    for (int i = 1; i <= m; i++) {
        f >> a >> b;
        int lg = lg2[b - a + 1];
        b = b + 1 - (1 << lg);
        g << min(rmq[lg][a], rmq[lg][b]) << '\n';
    }
}

int main() {
    citeste();
    precalculeaza();
    rezolva();
    return 0;
}