#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;

int main()
{
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n, q;
    cin >> n >> q;
    vi freq (n);
    vi dp (n, 1);

    for (auto & x: freq) cin >> x;
    int l = 0, r=1;
    for (l = 0; l < n; )
    {
        for(r = l + 1; r < n; ++r)
        {
            if (freq[r-1] <= freq[r])
            {
                dp[l]++;
            }
            else break;
        }

        for (int q = l + 1; q < r; ++q)
        {
            dp[q] = dp[q-1] - 1;
        }
        l =r;
    }
    for (int i = 0; i < q; ++i)
    {
        cin >> l >> r;
        l--;r--;

        bool valid = dp[l] > r-l;
        if (valid) cout << "YES" << endl;
        else cout << "NO" << endl;
    }

    return 0;
}