#include <fstream>
#include <iostream>
#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 a[], int n) {
    for (int i = 0; i < n; i++) {
        rmq[i][0] = a[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 st, int dr) {
    int putere = log2(dr-st+1);
    return min(rmq[st][putere], rmq[dr-(1<<(putere))+1][putere]);
}

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