Submission #1003335

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1003335	2024-06-20T09:01:39 Z	esomer	Fire (BOI24_fire)	C++17	100 / 100	133 ms	44912 KB

Main

#include <bits/stdc++.h>

using namespace std;

const int LOG = 20;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int N, M; cin >> N >> M;
	vector<vector<pair<int, int>>> binlift(LOG, vector<pair<int, int>>(N));
	vector<pair<int, int>> inv(N);
	vector<int> s(N), e(N);
	for(int i = 0; i < N; i++){
		cin >> s[i] >> e[i];
		if(s[i] > e[i]) e[i] += M;
		inv[i] = {s[i], i};
	}
	sort(inv.begin(), inv.end());
	set<pair<int, int>> ending;
	for(auto [l, i] : inv){
		while(!ending.empty() && (*ending.begin()).first < l){
			binlift[0][(*ending.begin()).second] = *ending.rbegin();
			ending.erase(ending.begin());
		}
		ending.insert({e[i], i});
	}
	while(!ending.empty()){
		binlift[0][(*ending.begin()).second] = *ending.rbegin();
		ending.erase(ending.begin());
	}
	for(int k = 1; k < LOG; k++){
		for(int i = 0; i < N; i++){
			binlift[k][i] = binlift[k-1][binlift[k-1][i].second];
		}
	}
	int ans = 1e9;
	for(int i = 0; i < N; i++){
		int curr = i;
		int currAns = 0;
		for(int k = LOG - 1; k >= 0; k--){
			if(binlift[k][curr].first >= M && binlift[k][curr].first - M >= s[i]){
				ans = min(ans, currAns + (1 << k));
			}else{
				currAns += (1 << k);
				curr = binlift[k][curr].second;
			}
		}
	}
	cout << (ans == 1e9 ? -1 : ans + 1) << "\n";
}

Subtask #1
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	452 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	464 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct

Subtask #2
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	452 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	464 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	456 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	600 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	452 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	464 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	456 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	600 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	2 ms	1372 KB	Output is correct
40	Correct	2 ms	1372 KB	Output is correct
41	Correct	2 ms	1372 KB	Output is correct
42	Correct	2 ms	1160 KB	Output is correct
43	Correct	2 ms	1372 KB	Output is correct
44	Correct	2 ms	1372 KB	Output is correct
45	Correct	2 ms	1368 KB	Output is correct
46	Correct	2 ms	1240 KB	Output is correct
47	Correct	2 ms	1372 KB	Output is correct
48	Correct	2 ms	1372 KB	Output is correct
49	Correct	2 ms	1112 KB	Output is correct
50	Correct	2 ms	1372 KB	Output is correct

Subtask #4
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	600 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	392 KB	Output is correct
13	Correct	1 ms	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	3 ms	1240 KB	Output is correct
16	Correct	2 ms	1380 KB	Output is correct
17	Correct	3 ms	1448 KB	Output is correct
18	Correct	2 ms	1372 KB	Output is correct
19	Correct	2 ms	1372 KB	Output is correct
20	Correct	88 ms	44912 KB	Output is correct
21	Correct	101 ms	38560 KB	Output is correct
22	Correct	96 ms	38704 KB	Output is correct
23	Correct	81 ms	37684 KB	Output is correct
24	Correct	91 ms	38964 KB	Output is correct
25	Correct	133 ms	40164 KB	Output is correct
26	Correct	84 ms	38608 KB	Output is correct
27	Correct	83 ms	38704 KB	Output is correct
28	Correct	84 ms	38720 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	456 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	2 ms	1420 KB	Output is correct
13	Correct	2 ms	1372 KB	Output is correct
14	Correct	2 ms	1372 KB	Output is correct
15	Correct	87 ms	44852 KB	Output is correct
16	Correct	79 ms	37684 KB	Output is correct
17	Correct	89 ms	38632 KB	Output is correct
18	Correct	91 ms	39728 KB	Output is correct
19	Correct	81 ms	38704 KB	Output is correct
20	Correct	78 ms	37836 KB	Output is correct

Subtask #6
26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	456 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	452 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	464 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	344 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	456 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	600 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	2 ms	1372 KB	Output is correct
40	Correct	2 ms	1372 KB	Output is correct
41	Correct	2 ms	1372 KB	Output is correct
42	Correct	2 ms	1160 KB	Output is correct
43	Correct	2 ms	1372 KB	Output is correct
44	Correct	2 ms	1372 KB	Output is correct
45	Correct	2 ms	1368 KB	Output is correct
46	Correct	2 ms	1240 KB	Output is correct
47	Correct	2 ms	1372 KB	Output is correct
48	Correct	2 ms	1372 KB	Output is correct
49	Correct	2 ms	1112 KB	Output is correct
50	Correct	2 ms	1372 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	600 KB	Output is correct
57	Correct	0 ms	344 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	1 ms	392 KB	Output is correct
63	Correct	1 ms	344 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	3 ms	1240 KB	Output is correct
66	Correct	2 ms	1380 KB	Output is correct
67	Correct	3 ms	1448 KB	Output is correct
68	Correct	2 ms	1372 KB	Output is correct
69	Correct	2 ms	1372 KB	Output is correct
70	Correct	88 ms	44912 KB	Output is correct
71	Correct	101 ms	38560 KB	Output is correct
72	Correct	96 ms	38704 KB	Output is correct
73	Correct	81 ms	37684 KB	Output is correct
74	Correct	91 ms	38964 KB	Output is correct
75	Correct	133 ms	40164 KB	Output is correct
76	Correct	84 ms	38608 KB	Output is correct
77	Correct	83 ms	38704 KB	Output is correct
78	Correct	84 ms	38720 KB	Output is correct
79	Correct	0 ms	344 KB	Output is correct
80	Correct	0 ms	348 KB	Output is correct
81	Correct	0 ms	348 KB	Output is correct
82	Correct	0 ms	348 KB	Output is correct
83	Correct	0 ms	348 KB	Output is correct
84	Correct	0 ms	344 KB	Output is correct
85	Correct	0 ms	348 KB	Output is correct
86	Correct	0 ms	348 KB	Output is correct
87	Correct	0 ms	344 KB	Output is correct
88	Correct	0 ms	456 KB	Output is correct
89	Correct	0 ms	348 KB	Output is correct
90	Correct	2 ms	1420 KB	Output is correct
91	Correct	2 ms	1372 KB	Output is correct
92	Correct	2 ms	1372 KB	Output is correct
93	Correct	87 ms	44852 KB	Output is correct
94	Correct	79 ms	37684 KB	Output is correct
95	Correct	89 ms	38632 KB	Output is correct
96	Correct	91 ms	39728 KB	Output is correct
97	Correct	81 ms	38704 KB	Output is correct
98	Correct	78 ms	37836 KB	Output is correct
99	Correct	102 ms	38748 KB	Output is correct
100	Correct	96 ms	38708 KB	Output is correct
101	Correct	83 ms	38708 KB	Output is correct
102	Correct	84 ms	38628 KB	Output is correct
103	Correct	82 ms	38708 KB	Output is correct
104	Correct	89 ms	38776 KB	Output is correct
105	Correct	67 ms	37432 KB	Output is correct

Submission #1003335

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 17.0 / 17.0

Subtask #3 9.0 / 9.0

Subtask #4 13.0 / 13.0

Subtask #5 21.0 / 21.0

Subtask #6 26.0 / 26.0

Subtask #1
14.0 / 14.0

Subtask #2
17.0 / 17.0

Subtask #3
9.0 / 9.0

Subtask #4
13.0 / 13.0

Subtask #5
21.0 / 21.0

Subtask #6
26.0 / 26.0