#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);
    }

    std::vector<int> nonDec;

    nonDec.push_back(0);
    int prevNum = arr[0];
    for(int i = 1; i < n; i++){
        if(arr[i] < prevNum) nonDec.push_back(i);
        else nonDec.push_back(nonDec.back());
        prevNum = arr[i];
    }

    for(int i = 0; i < q ; i++){
        int from = Input() - 1;
        int to = Input() - 1;
        if(from == to){
            std::cout << "YES" << std::endl;
            continue;
        }

        if(nonDec[from] != nonDec[to]){
            std::cout << "NO" << std::endl;
            continue;
        }

        std::cout << "YES" << std::endl;

        // 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;
}