#include <iostream>
#include <cmath>
#include <vector>
int Input(){
    int a = 0;
    std::cin>>a;
    return a;
}

int main(){
    int n = 0, q = 0;
    n = Input();
    q = Input();
    std::vector<int> arr;
    for(int i = 0; i < n; i++){
        int a = Input();
        arr.push_back(a);
    }

    for(int i = 0; i < q ; i++){
        int from = Input() - 1;
        int to = Input() - 1;
        if(from == to){
            std::cout << "YES" << std::endl;
            continue;
        }
        int prev = arr[from++];
        bool flag = true;
        while(from <= to){
            if(arr[from++] < prev){
                flag = false;
                break;
            }
        }
        if(flag){
            std::cout << "YES" << std::endl;
        }else{
            std::cout << "NO" << std::endl;
        }
    }
    return 0;
}