#include <bits/stdc++.h>

using namespace std;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	vector<int> a(n);
	for(auto& c : a) cin >> c;
	vector<int> starts(n);
	starts[0] = 0;
	int cur = 0;
	
	for(int i{1}; i < n;++i){
		if(a[i] >= a[i-1]) starts[i] = cur;
		else{
			cur = i;
			starts[i] = cur;
		}
	}
	while(q--){
		int l,r;
		cin >> l >> r;
		l--;
		r--;
		if(starts[l] == starts[r]) cout << "YES" << '\n';
		else cout << "NO" << '\n';
		}
	
	
	return 0;
	}