#include <iostream>
#include <vector>
#include <algorithm>
#include <set>

using namespace std;

int n, q;

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

    cin >> n >> q;
    int freq[n+1];
    for (int i = 1; i <=n; ++i){
        cin >> freq[i];
    }

    int start, end;
    vector<int> invalid;

    for (int i = 2; i <n; ++i){
        //cout << freq[i] << '\n';
        if (freq[i] < freq[i-1]) {
            invalid.push_back(i);
            //cout << i <<'\n';
        }
    }


    for (int i = 0; i <q; ++i){
        cin >> start >> end;
        bool satis = true;

        // cout << start << " " << end << ' ';
        if (freq[start]> freq[end]) satis = false;
        else{
            for (auto n : invalid){
                if (!(n <= start || n >= end)) {
                    satis = false;
                    break;
                }
            }
        }

        cout << (satis ? "YES\n" : "NO\n");
    }
    return 0;
}