This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define sz(s) (int)s.size()
struct tp
{
	int ff, ss, tt;
};
int f(int a, int b, int x, int y){
	if(a > x) swap(a,x), swap(b,y);
	if(b < x) return 0;
	if(b <= y) return (b-x+1);
	return (y-x+1);
}
int main(){
	ios::sync_with_stdio(false); cin.tie(nullptr);
	
	int n, t, ans = 0, ind = 0;
	cin >> n >> t;
	vector <tp> v;
	for(int i = 1; i <= n; i++){
		int t1;
		cin >> t1;
		if(t1 == 1){
			int a, b;
			cin >> a >> b;
			ind++;
			a = (a ^ (t * ans));
			b = (b ^ (t * ans));
			if(a > b) swap(a,b);
			v.push_back({ind,a,b});
		}
		if(t1 == 2){
			int id, in = 0;
			cin >> id;
			for(int j = 0; j < sz(v); j++){
				if(v[j].ff == id){
					in = j;
					break;
				}
			}
			v.erase(v.begin() + in);
		}
		if(t1 == 3){
			int a, b, k;
			cin >> a >> b >> k;
			a = (a ^ (t * ans));
			b = (b ^ (t * ans));
			if(a > b) swap(a,b);
			ans = 0;
			for(int j = 0; j < sz(v); j++){
				ans += (f(a,b,v[j].ss,v[j].tt) >= k);
			}
			cout << ans << '\n';
		}
	}
}
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