#include <bits/stdc++.h>
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")

#define int long long
#define ld long double
#define vec vector
#define all(m) (m).begin(), (m).end()
#define forn(i,n) for(int i=0;i<(n);i++)

using namespace std;



void solve() {
    int n, q;
    cin >> n >> q;
    vector<int> arr(n);
    forn(i, n) {
        cin >> arr[i];
    }
    vector<int> pref(n+1);
    forn(i, n) {
        if (i == 0) {
            continue;
        }
        if (arr[i] < arr[i - 1]) {
            pref[i] += 1;
        }
        pref[i] += pref[i - 1];
    }
    forn(i, q) {
        int a, b;
        cin >> a >> b;
        if (pref[a-1] - pref[b-1] == 0) {
            cout << "YES\n";
        } else {
            cout << "NO\n";
        }
    }
}

signed main() {

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int tt = 1;
    // cin>>tt;
    while (tt--)
        solve();
    return 0;
}