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

using namespace std;

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

const int NMAX = 1e5;
const int LOGMAX = 20;
int rmq[NMAX][LOGMAX];

void preprocesare(int v[], int n) {
    for (int i = 0; i < n; i++) {
        rmq[i][0] = v[i];
    }
    for (int j = 1; j <= log2(n); j++) {
        for (int i = 0; i < n; i++) {
                if (i + (1 << j) <= n) {
                    rmq[i][j] = min(rmq[i][j-1], rmq[i+(1 << (j - 1))][j-1]);
                }
        }
    }
}

int interogare(int x, int y) {
    int putere = log2(y - x + 1);
    return min(rmq[x][putere], rmq[y - (1 << putere) + 1][putere]);
}

int main()
{
    int n, m;
    in >> n >>  m;
    int v[n];
    for (int i = 0; i < n; i++) {
        in >> v[i];
    }
    preprocesare(v, n);
    for (int i = 0; i < m; i++) {
        int x, y;
        in >> x >> y;
        out << interogare(x - 1, y - 1) << endl;
    }
    return 0;
}