Submission #960973

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
960973	2024-04-11T10:17:40 Z	pragmatist	Segments (IZhO18_segments)	C++17	75 / 100	5000 ms	17672 KB

segments

#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 2e5+7;
const int K = 500;
 
int n, t;
pair<int, int> a[N];
multiset<pair<int, int> > active;
 
struct Data {
	int l, r, x;
};
vector<Data> add;
vector<array<int, 3>> cur;
vector<int> b1[1000], b2[1000];
	
void build() {
    cur.clear();
	for(auto [x, y] : active) {
		int len = y-x+1;
		cur.push_back({len, x, y});		
	}	
	sort(cur.begin(), cur.end());
	int m = (int)cur.size();
	for(int i = 0; i <= (m-1)/K; ++i) {
		b1[i].clear();
		b2[i].clear();
	}
	for(int i = 0; i < m; ++i) {
		b1[i/K].push_back(cur[i][1]);
		b2[i/K].push_back(cur[i][2]);				
	}
	for(int i = 0; i <= (m-1)/K; ++i) {
		sort(b1[i].rbegin(), b1[i].rend());
		sort(b2[i].begin(), b2[i].end());
	}
	add.clear();
}
 
int get(int l, int r, int k) {
	if(r-l+1<k) {
		return 0;
	}		
	int res = 0;
	int m = (int)cur.size();
	for(int i = 0, id = 0; i < m; i += K, ++id) {
		if(cur[i][0]<k) {
		    int j = min(m, i+K), old = i;
		    if(cur[j-1][0]<k) {
		    	continue;
		    }
		    while(i<j) {
		    	if(cur[i][0]>=k) {
		    		res++;
		    		if(cur[i][2]<l+k-1) {
		    			res--;
		    		}            
		    		if(cur[i][1]>r-k+1) {
		    			res--;
		    		}
		    	}
		    	i++;
		    }
			i = old;
			continue;
		} else {
			res += (int)(b1[id].size());
			assert((int)b1[id].size() == (int)b2[id].size());
			int tl = 0, tr = (int)b1[id].size()-1, x1 = 0, x2 = 0;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b1[id][mid]>r-k+1) {
					x1 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			} 
			res -= x1;
			tl = 0, tr = (int)b2[id].size()-1;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b2[id][mid]<l+k-1) {
					x2 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			}			
			res -= x2;
		}
	} 
	for(auto [c, d, x] : add) {
		int len = min(d, r)-max(l, c)+1;
		if(len >= k) {
			res += x;
		}
	}
	return res;
}
 
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	cin >> n >> t;
	int ans = 0, timer = 0;
	for(int i = 1; i <= n; ++i) {
		char tp;
		cin >> tp;
		if(tp == '1') {
			int l, r;
			cin >> l >> r;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			a[++timer] = {l, r};
			add.push_back({l, r, 1});
			active.insert({l, r});		
		} else if(tp == '2') {
			int id;
			cin >> id;
			add.push_back({a[id].first, a[id].second, -1});
			auto it = active.find(a[id]);
			active.erase(it);
		} else {
			int l, r, k;
			cin >> l >> r >> k;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			if(r-l+1<k) {
				cout << (ans=0) << "\n";
				continue;
			}
			cout << (ans = get(l, r, k)) << "\n";
		}
		if((int)add.size()>K) {
			build();
		}
	}
	return 0;
}

Subtask #1

7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	528 KB	Output is correct
5	Correct	6 ms	604 KB	Output is correct
6	Correct	5 ms	688 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	5 ms	600 KB	Output is correct
9	Correct	5 ms	604 KB	Output is correct
10	Correct	6 ms	860 KB	Output is correct
11	Correct	6 ms	488 KB	Output is correct
12	Correct	7 ms	604 KB	Output is correct
13	Correct	5 ms	860 KB	Output is correct
14	Correct	5 ms	604 KB	Output is correct
15	Correct	2 ms	348 KB	Output is correct
16	Correct	2 ms	348 KB	Output is correct
17	Correct	4 ms	604 KB	Output is correct
18	Correct	6 ms	648 KB	Output is correct
19	Correct	4 ms	652 KB	Output is correct
20	Correct	4 ms	600 KB	Output is correct

Subtask #2

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	748 ms	4480 KB	Output is correct
2	Correct	762 ms	4524 KB	Output is correct
3	Correct	747 ms	4268 KB	Output is correct
4	Correct	843 ms	4828 KB	Output is correct
5	Correct	1605 ms	7532 KB	Output is correct
6	Correct	1666 ms	7636 KB	Output is correct
7	Correct	747 ms	4360 KB	Output is correct
8	Correct	768 ms	4444 KB	Output is correct
9	Correct	738 ms	4444 KB	Output is correct
10	Correct	331 ms	2364 KB	Output is correct
11	Correct	393 ms	2704 KB	Output is correct
12	Correct	1117 ms	6164 KB	Output is correct

Subtask #3

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	868 KB	Output is correct
2	Correct	40 ms	824 KB	Output is correct
3	Correct	51 ms	860 KB	Output is correct
4	Correct	38 ms	860 KB	Output is correct
5	Correct	1220 ms	6348 KB	Output is correct
6	Correct	982 ms	5172 KB	Output is correct
7	Correct	1064 ms	5548 KB	Output is correct
8	Correct	1636 ms	7576 KB	Output is correct
9	Correct	1672 ms	7280 KB	Output is correct
10	Correct	1420 ms	5668 KB	Output is correct
11	Correct	126 ms	1236 KB	Output is correct
12	Correct	1377 ms	6096 KB	Output is correct
13	Correct	1223 ms	4872 KB	Output is correct
14	Correct	675 ms	2968 KB	Output is correct
15	Correct	591 ms	2668 KB	Output is correct
16	Correct	400 ms	1872 KB	Output is correct
17	Correct	809 ms	4308 KB	Output is correct
18	Correct	810 ms	4384 KB	Output is correct
19	Correct	809 ms	4372 KB	Output is correct
20	Correct	809 ms	4444 KB	Output is correct
21	Correct	173 ms	1680 KB	Output is correct
22	Correct	852 ms	3392 KB	Output is correct
23	Correct	1088 ms	4360 KB	Output is correct
24	Correct	919 ms	3504 KB	Output is correct
25	Correct	42 ms	680 KB	Output is correct
26	Correct	37 ms	856 KB	Output is correct
27	Correct	47 ms	860 KB	Output is correct
28	Correct	44 ms	700 KB	Output is correct
29	Correct	1180 ms	4916 KB	Output is correct
30	Correct	1177 ms	4728 KB	Output is correct
31	Correct	1693 ms	7340 KB	Output is correct
32	Correct	1333 ms	5348 KB	Output is correct
33	Correct	1265 ms	5288 KB	Output is correct
34	Correct	566 ms	2660 KB	Output is correct
35	Correct	1060 ms	4456 KB	Output is correct
36	Correct	1316 ms	5608 KB	Output is correct

Subtask #4

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	46 ms	856 KB	Output is correct
2	Correct	39 ms	856 KB	Output is correct
3	Correct	40 ms	748 KB	Output is correct
4	Correct	43 ms	848 KB	Output is correct
5	Correct	1227 ms	6264 KB	Output is correct
6	Correct	275 ms	1908 KB	Output is correct
7	Correct	1350 ms	6968 KB	Output is correct
8	Correct	324 ms	2484 KB	Output is correct
9	Correct	802 ms	3548 KB	Output is correct
10	Correct	1420 ms	6212 KB	Output is correct
11	Correct	353 ms	1876 KB	Output is correct
12	Correct	1705 ms	8100 KB	Output is correct
13	Correct	1240 ms	5032 KB	Output is correct
14	Correct	733 ms	3216 KB	Output is correct
15	Correct	1612 ms	7384 KB	Output is correct
16	Correct	1302 ms	5244 KB	Output is correct
17	Correct	758 ms	4420 KB	Output is correct
18	Correct	743 ms	4448 KB	Output is correct
19	Correct	746 ms	4468 KB	Output is correct
20	Correct	766 ms	4784 KB	Output is correct

Subtask #5

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	528 KB	Output is correct
5	Correct	6 ms	604 KB	Output is correct
6	Correct	5 ms	688 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	5 ms	600 KB	Output is correct
9	Correct	5 ms	604 KB	Output is correct
10	Correct	6 ms	860 KB	Output is correct
11	Correct	6 ms	488 KB	Output is correct
12	Correct	7 ms	604 KB	Output is correct
13	Correct	5 ms	860 KB	Output is correct
14	Correct	5 ms	604 KB	Output is correct
15	Correct	2 ms	348 KB	Output is correct
16	Correct	2 ms	348 KB	Output is correct
17	Correct	4 ms	604 KB	Output is correct
18	Correct	6 ms	648 KB	Output is correct
19	Correct	4 ms	652 KB	Output is correct
20	Correct	4 ms	600 KB	Output is correct
21	Correct	748 ms	4480 KB	Output is correct
22	Correct	762 ms	4524 KB	Output is correct
23	Correct	747 ms	4268 KB	Output is correct
24	Correct	843 ms	4828 KB	Output is correct
25	Correct	1605 ms	7532 KB	Output is correct
26	Correct	1666 ms	7636 KB	Output is correct
27	Correct	747 ms	4360 KB	Output is correct
28	Correct	768 ms	4444 KB	Output is correct
29	Correct	738 ms	4444 KB	Output is correct
30	Correct	331 ms	2364 KB	Output is correct
31	Correct	393 ms	2704 KB	Output is correct
32	Correct	1117 ms	6164 KB	Output is correct
33	Correct	46 ms	856 KB	Output is correct
34	Correct	39 ms	856 KB	Output is correct
35	Correct	40 ms	748 KB	Output is correct
36	Correct	43 ms	848 KB	Output is correct
37	Correct	1227 ms	6264 KB	Output is correct
38	Correct	275 ms	1908 KB	Output is correct
39	Correct	1350 ms	6968 KB	Output is correct
40	Correct	324 ms	2484 KB	Output is correct
41	Correct	802 ms	3548 KB	Output is correct
42	Correct	1420 ms	6212 KB	Output is correct
43	Correct	353 ms	1876 KB	Output is correct
44	Correct	1705 ms	8100 KB	Output is correct
45	Correct	1240 ms	5032 KB	Output is correct
46	Correct	733 ms	3216 KB	Output is correct
47	Correct	1612 ms	7384 KB	Output is correct
48	Correct	1302 ms	5244 KB	Output is correct
49	Correct	758 ms	4420 KB	Output is correct
50	Correct	743 ms	4448 KB	Output is correct
51	Correct	746 ms	4468 KB	Output is correct
52	Correct	766 ms	4784 KB	Output is correct
53	Correct	42 ms	856 KB	Output is correct
54	Correct	43 ms	848 KB	Output is correct
55	Correct	41 ms	860 KB	Output is correct
56	Correct	42 ms	848 KB	Output is correct
57	Correct	493 ms	3232 KB	Output is correct
58	Correct	174 ms	1496 KB	Output is correct
59	Correct	937 ms	5624 KB	Output is correct
60	Correct	206 ms	1412 KB	Output is correct
61	Correct	1243 ms	4880 KB	Output is correct
62	Correct	1597 ms	6988 KB	Output is correct
63	Correct	1663 ms	7392 KB	Output is correct
64	Correct	1640 ms	7208 KB	Output is correct
65	Correct	491 ms	2104 KB	Output is correct
66	Correct	394 ms	1888 KB	Output is correct
67	Correct	1316 ms	5352 KB	Output is correct
68	Correct	1055 ms	4364 KB	Output is correct
69	Correct	742 ms	4484 KB	Output is correct
70	Correct	735 ms	4460 KB	Output is correct
71	Correct	739 ms	4360 KB	Output is correct
72	Correct	761 ms	4312 KB	Output is correct
73	Correct	578 ms	2448 KB	Output is correct
74	Correct	1052 ms	4584 KB	Output is correct
75	Correct	1721 ms	7728 KB	Output is correct
76	Correct	1696 ms	7532 KB	Output is correct
77	Correct	41 ms	852 KB	Output is correct
78	Correct	40 ms	772 KB	Output is correct
79	Correct	43 ms	696 KB	Output is correct
80	Correct	44 ms	816 KB	Output is correct
81	Correct	1002 ms	4476 KB	Output is correct
82	Correct	574 ms	2500 KB	Output is correct
83	Correct	326 ms	1944 KB	Output is correct
84	Correct	1012 ms	4356 KB	Output is correct
85	Correct	1311 ms	5592 KB	Output is correct
86	Correct	1338 ms	6168 KB	Output is correct
87	Correct	816 ms	3452 KB	Output is correct
88	Correct	337 ms	1808 KB	Output is correct

Subtask #6

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	2 ms	528 KB	Output is correct
5	Correct	6 ms	604 KB	Output is correct
6	Correct	5 ms	688 KB	Output is correct
7	Correct	5 ms	348 KB	Output is correct
8	Correct	5 ms	600 KB	Output is correct
9	Correct	5 ms	604 KB	Output is correct
10	Correct	6 ms	860 KB	Output is correct
11	Correct	6 ms	488 KB	Output is correct
12	Correct	7 ms	604 KB	Output is correct
13	Correct	5 ms	860 KB	Output is correct
14	Correct	5 ms	604 KB	Output is correct
15	Correct	2 ms	348 KB	Output is correct
16	Correct	2 ms	348 KB	Output is correct
17	Correct	4 ms	604 KB	Output is correct
18	Correct	6 ms	648 KB	Output is correct
19	Correct	4 ms	652 KB	Output is correct
20	Correct	4 ms	600 KB	Output is correct
21	Correct	748 ms	4480 KB	Output is correct
22	Correct	762 ms	4524 KB	Output is correct
23	Correct	747 ms	4268 KB	Output is correct
24	Correct	843 ms	4828 KB	Output is correct
25	Correct	1605 ms	7532 KB	Output is correct
26	Correct	1666 ms	7636 KB	Output is correct
27	Correct	747 ms	4360 KB	Output is correct
28	Correct	768 ms	4444 KB	Output is correct
29	Correct	738 ms	4444 KB	Output is correct
30	Correct	331 ms	2364 KB	Output is correct
31	Correct	393 ms	2704 KB	Output is correct
32	Correct	1117 ms	6164 KB	Output is correct
33	Correct	41 ms	868 KB	Output is correct
34	Correct	40 ms	824 KB	Output is correct
35	Correct	51 ms	860 KB	Output is correct
36	Correct	38 ms	860 KB	Output is correct
37	Correct	1220 ms	6348 KB	Output is correct
38	Correct	982 ms	5172 KB	Output is correct
39	Correct	1064 ms	5548 KB	Output is correct
40	Correct	1636 ms	7576 KB	Output is correct
41	Correct	1672 ms	7280 KB	Output is correct
42	Correct	1420 ms	5668 KB	Output is correct
43	Correct	126 ms	1236 KB	Output is correct
44	Correct	1377 ms	6096 KB	Output is correct
45	Correct	1223 ms	4872 KB	Output is correct
46	Correct	675 ms	2968 KB	Output is correct
47	Correct	591 ms	2668 KB	Output is correct
48	Correct	400 ms	1872 KB	Output is correct
49	Correct	809 ms	4308 KB	Output is correct
50	Correct	810 ms	4384 KB	Output is correct
51	Correct	809 ms	4372 KB	Output is correct
52	Correct	809 ms	4444 KB	Output is correct
53	Correct	173 ms	1680 KB	Output is correct
54	Correct	852 ms	3392 KB	Output is correct
55	Correct	1088 ms	4360 KB	Output is correct
56	Correct	919 ms	3504 KB	Output is correct
57	Correct	42 ms	680 KB	Output is correct
58	Correct	37 ms	856 KB	Output is correct
59	Correct	47 ms	860 KB	Output is correct
60	Correct	44 ms	700 KB	Output is correct
61	Correct	1180 ms	4916 KB	Output is correct
62	Correct	1177 ms	4728 KB	Output is correct
63	Correct	1693 ms	7340 KB	Output is correct
64	Correct	1333 ms	5348 KB	Output is correct
65	Correct	1265 ms	5288 KB	Output is correct
66	Correct	566 ms	2660 KB	Output is correct
67	Correct	1060 ms	4456 KB	Output is correct
68	Correct	1316 ms	5608 KB	Output is correct
69	Correct	46 ms	856 KB	Output is correct
70	Correct	39 ms	856 KB	Output is correct
71	Correct	40 ms	748 KB	Output is correct
72	Correct	43 ms	848 KB	Output is correct
73	Correct	1227 ms	6264 KB	Output is correct
74	Correct	275 ms	1908 KB	Output is correct
75	Correct	1350 ms	6968 KB	Output is correct
76	Correct	324 ms	2484 KB	Output is correct
77	Correct	802 ms	3548 KB	Output is correct
78	Correct	1420 ms	6212 KB	Output is correct
79	Correct	353 ms	1876 KB	Output is correct
80	Correct	1705 ms	8100 KB	Output is correct
81	Correct	1240 ms	5032 KB	Output is correct
82	Correct	733 ms	3216 KB	Output is correct
83	Correct	1612 ms	7384 KB	Output is correct
84	Correct	1302 ms	5244 KB	Output is correct
85	Correct	758 ms	4420 KB	Output is correct
86	Correct	743 ms	4448 KB	Output is correct
87	Correct	746 ms	4468 KB	Output is correct
88	Correct	766 ms	4784 KB	Output is correct
89	Correct	42 ms	856 KB	Output is correct
90	Correct	43 ms	848 KB	Output is correct
91	Correct	41 ms	860 KB	Output is correct
92	Correct	42 ms	848 KB	Output is correct
93	Correct	493 ms	3232 KB	Output is correct
94	Correct	174 ms	1496 KB	Output is correct
95	Correct	937 ms	5624 KB	Output is correct
96	Correct	206 ms	1412 KB	Output is correct
97	Correct	1243 ms	4880 KB	Output is correct
98	Correct	1597 ms	6988 KB	Output is correct
99	Correct	1663 ms	7392 KB	Output is correct
100	Correct	1640 ms	7208 KB	Output is correct
101	Correct	491 ms	2104 KB	Output is correct
102	Correct	394 ms	1888 KB	Output is correct
103	Correct	1316 ms	5352 KB	Output is correct
104	Correct	1055 ms	4364 KB	Output is correct
105	Correct	742 ms	4484 KB	Output is correct
106	Correct	735 ms	4460 KB	Output is correct
107	Correct	739 ms	4360 KB	Output is correct
108	Correct	761 ms	4312 KB	Output is correct
109	Correct	578 ms	2448 KB	Output is correct
110	Correct	1052 ms	4584 KB	Output is correct
111	Correct	1721 ms	7728 KB	Output is correct
112	Correct	1696 ms	7532 KB	Output is correct
113	Correct	41 ms	852 KB	Output is correct
114	Correct	40 ms	772 KB	Output is correct
115	Correct	43 ms	696 KB	Output is correct
116	Correct	44 ms	816 KB	Output is correct
117	Correct	1002 ms	4476 KB	Output is correct
118	Correct	574 ms	2500 KB	Output is correct
119	Correct	326 ms	1944 KB	Output is correct
120	Correct	1012 ms	4356 KB	Output is correct
121	Correct	1311 ms	5592 KB	Output is correct
122	Correct	1338 ms	6168 KB	Output is correct
123	Correct	816 ms	3452 KB	Output is correct
124	Correct	337 ms	1808 KB	Output is correct
125	Correct	84 ms	1308 KB	Output is correct
126	Correct	87 ms	5240 KB	Output is correct
127	Correct	113 ms	5200 KB	Output is correct
128	Correct	90 ms	5200 KB	Output is correct
129	Correct	81 ms	5204 KB	Output is correct
130	Correct	92 ms	5404 KB	Output is correct
131	Correct	666 ms	9052 KB	Output is correct
132	Correct	2421 ms	13112 KB	Output is correct
133	Correct	4016 ms	15556 KB	Output is correct
134	Correct	862 ms	9624 KB	Output is correct
135	Correct	4388 ms	17236 KB	Output is correct
136	Correct	336 ms	7872 KB	Output is correct
137	Execution timed out	5043 ms	17672 KB	Time limit exceeded
138	Halted	0 ms	0 KB	-