#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ull = unsigned long long;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, q;
    cin >> n >> q;
    vector<int> a(n);
    vector<pair<int, int>> cq(q);
    vector<int> b(n, 0);
    vector<int> pf(n);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < q; i++) {
        int l, r;
        cin >> l >> r;
        cq[i].first = l;
        cq[i].second = r;
    }
    for (int i = 1; i < n; i++) {
        if (a[i - 1] <= a[i]) b[i] = 1;
    }
    pf[0] = 1;
    for (int i = 1; i < n; i++) {
        pf[i] = b[i] + pf[i - 1];
    }

    for (int i = 0; i < q; i++) {
        if (cq[i].first == cq[i].second) cout << "YES" << '\n';
        else if (pf[cq[i].second - 1] - pf[cq[i].first - 1] == cq[i].second - cq[i].first) cout << "YES" << '\n';
        else cout << "NO" << '\n';
    }
    return 0;
}