#include <bits/stdc++.h>
#include <cassert>
using namespace std;
using ll = long long;
// #define int ll

signed main() {
    int n, q; cin >> n >> q;
    int a[n]; for (int i = 0; i < n; i++) cin >> a[i];
    int b[n];
    int idx = 0;
    b[0] = idx;
    for (int i = 1; i < n; i++) {
        if (a[i] < a[i - 1]) {
            idx++;
        }
        b[i] = idx;
    }
    for (int i = 0; i < q; i++) {
        int l, r; cin >> l >> r;
        if (b[l - 1] == b[r - 1]) {
            cout << "YES" << endl;
        }
        else {
            cout << "NO" << endl;
        }
    }
}