답안 #1067014

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1067014	2024-08-20T09:40:02 Z	0npata	Fire (BOI24_fire)	C++17	40 / 100	2000 ms	95000 KB

Main

#include<bits/stdc++.h>
using namespace std;

#define int long long
#define vec vector

const int MXN = 200'005;
const int LOG = 20;
const int INF = 1e9;

int32_t main() {
	int N, M;
	cin >> N >> M;

	vec<pair<int, int>> rs(N);
	for(int i = 0; i<N; i++) {
		cin >> rs[i].first >> rs[i].second;
		if(rs[i].second < rs[i].first) rs[i].second += M;
	}

	sort(rs.begin(), rs.end());

	set<pair<int, int>> rightmost;
	vec<vec<pair<int, int>>> binjmps(N, vec<pair<int, int>>(LOG));

	for(int i = 0; i<N; i++) {
		cerr << rs[i].first << ' ' << rs[i].second << '\n';
	}

	for(int i = 0; i<N; i++) {
		rs.push_back({rs[i].first+M, rs[i].second+M});
	}

	int j = 0;
	for(int i = 0; i<N; i++) {
		while(rs[j].first <= rs[i].second) {
			rightmost.insert({rs[j].second, j});
			cerr << "J: " << j;
			 j++;
		}
		pair<int, int> r = *rightmost.rbegin();
		assert(r.first >= rs[i].second);
		binjmps[i][0] = {r.first-rs[i].second, r.second%N};
		cerr << binjmps[i][0].first << ", " << binjmps[i][0].second << ';';
		rightmost.erase({rs[i].second, i});
	}

	cerr << '\n';

	int mxlog = LOG;
	for(int i = 1; i<LOG && i<mxlog; i++) {
		for(int j = 0; j<N; j++) {
			int k = binjmps[j][i-1].second;
			binjmps[j][i].first = binjmps[j][i-1].first+binjmps[k][i-1].first;
			binjmps[j][i].second = binjmps[k][i-1].second;
			if(binjmps[j][i].first > M) {
				mxlog = i+1;
			}
		}
	}
	for(int i = 0; i<mxlog; i++) {
		cerr << binjmps[0][i].first  << ' ';
	}
	cerr << '\n';

	int ans = INF;

	for(int i = 0; i<N; i++) {
		int d = rs[i].second-rs[i].first;
		int cur = i;
		int res = 0;
		for(int j = mxlog-1; j>=0; j--) {
			int nd = binjmps[cur][j].first + d;
			if(nd < M) {
				d = nd;
				cur = binjmps[cur][j].second;
				res += (1<<j);
			}
		}
		res += 1;
		d += binjmps[cur][0].first;
		if(d >= M) {
			ans = min(ans, res+1);
		}
	}

	if(ans == INF) cout << -1 << '\n';
	else {
		cout << ans << '\n';
	}
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	360 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	436 KB	Output is correct
6	Correct	0 ms	348 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	348 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	440 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	604 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	432 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	360 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	436 KB	Output is correct
6	Correct	0 ms	348 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	348 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	440 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	604 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	432 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	3 ms	564 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	4 ms	348 KB	Output is correct
28	Correct	4 ms	572 KB	Output is correct
29	Correct	4 ms	344 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	348 KB	Output is correct
32	Correct	4 ms	560 KB	Output is correct
33	Correct	4 ms	348 KB	Output is correct
34	Correct	3 ms	348 KB	Output is correct
35	Correct	3 ms	552 KB	Output is correct
36	Correct	6 ms	348 KB	Output is correct
37	Correct	3 ms	348 KB	Output is correct
38	Correct	3 ms	348 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	360 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	436 KB	Output is correct
6	Correct	0 ms	348 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	348 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	440 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	604 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	432 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	3 ms	564 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	4 ms	348 KB	Output is correct
28	Correct	4 ms	572 KB	Output is correct
29	Correct	4 ms	344 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	348 KB	Output is correct
32	Correct	4 ms	560 KB	Output is correct
33	Correct	4 ms	348 KB	Output is correct
34	Correct	3 ms	348 KB	Output is correct
35	Correct	3 ms	552 KB	Output is correct
36	Correct	6 ms	348 KB	Output is correct
37	Correct	3 ms	348 KB	Output is correct
38	Correct	3 ms	348 KB	Output is correct
39	Correct	54 ms	2648 KB	Output is correct
40	Correct	62 ms	2896 KB	Output is correct
41	Correct	54 ms	2644 KB	Output is correct
42	Correct	52 ms	2396 KB	Output is correct
43	Correct	56 ms	2884 KB	Output is correct
44	Correct	67 ms	2648 KB	Output is correct
45	Correct	62 ms	2648 KB	Output is correct
46	Correct	55 ms	2640 KB	Output is correct
47	Correct	54 ms	2708 KB	Output is correct
48	Correct	55 ms	2652 KB	Output is correct
49	Correct	52 ms	2396 KB	Output is correct
50	Correct	52 ms	2396 KB	Output is correct

Subtask #4
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	3 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	3 ms	348 KB	Output is correct
12	Correct	4 ms	348 KB	Output is correct
13	Correct	3 ms	348 KB	Output is correct
14	Correct	3 ms	436 KB	Output is correct
15	Correct	54 ms	2708 KB	Output is correct
16	Correct	61 ms	2824 KB	Output is correct
17	Correct	62 ms	2664 KB	Output is correct
18	Correct	54 ms	2652 KB	Output is correct
19	Correct	55 ms	2648 KB	Output is correct
20	Execution timed out	2074 ms	94508 KB	Time limit exceeded
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	3 ms	348 KB	Output is correct
9	Correct	3 ms	348 KB	Output is correct
10	Correct	4 ms	348 KB	Output is correct
11	Correct	4 ms	348 KB	Output is correct
12	Correct	59 ms	2640 KB	Output is correct
13	Correct	52 ms	2600 KB	Output is correct
14	Correct	56 ms	2592 KB	Output is correct
15	Execution timed out	2098 ms	95000 KB	Time limit exceeded
16	Halted	0 ms	0 KB	-

Subtask #6
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	360 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	0 ms	436 KB	Output is correct
6	Correct	0 ms	348 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	348 KB	Output is correct
10	Correct	1 ms	604 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	440 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	604 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	432 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	3 ms	564 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	4 ms	348 KB	Output is correct
28	Correct	4 ms	572 KB	Output is correct
29	Correct	4 ms	344 KB	Output is correct
30	Correct	4 ms	348 KB	Output is correct
31	Correct	4 ms	348 KB	Output is correct
32	Correct	4 ms	560 KB	Output is correct
33	Correct	4 ms	348 KB	Output is correct
34	Correct	3 ms	348 KB	Output is correct
35	Correct	3 ms	552 KB	Output is correct
36	Correct	6 ms	348 KB	Output is correct
37	Correct	3 ms	348 KB	Output is correct
38	Correct	3 ms	348 KB	Output is correct
39	Correct	54 ms	2648 KB	Output is correct
40	Correct	62 ms	2896 KB	Output is correct
41	Correct	54 ms	2644 KB	Output is correct
42	Correct	52 ms	2396 KB	Output is correct
43	Correct	56 ms	2884 KB	Output is correct
44	Correct	67 ms	2648 KB	Output is correct
45	Correct	62 ms	2648 KB	Output is correct
46	Correct	55 ms	2640 KB	Output is correct
47	Correct	54 ms	2708 KB	Output is correct
48	Correct	55 ms	2652 KB	Output is correct
49	Correct	52 ms	2396 KB	Output is correct
50	Correct	52 ms	2396 KB	Output is correct
51	Correct	1 ms	344 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	1 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	3 ms	348 KB	Output is correct
60	Correct	4 ms	348 KB	Output is correct
61	Correct	3 ms	348 KB	Output is correct
62	Correct	4 ms	348 KB	Output is correct
63	Correct	3 ms	348 KB	Output is correct
64	Correct	3 ms	436 KB	Output is correct
65	Correct	54 ms	2708 KB	Output is correct
66	Correct	61 ms	2824 KB	Output is correct
67	Correct	62 ms	2664 KB	Output is correct
68	Correct	54 ms	2652 KB	Output is correct
69	Correct	55 ms	2648 KB	Output is correct
70	Execution timed out	2074 ms	94508 KB	Time limit exceeded
71	Halted	0 ms	0 KB	-

답안 #1067014

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 17.0 / 17.0

Subtask #3 9.0 / 9.0

Subtask #4 0 / 13.0

Subtask #5 0 / 21.0

Subtask #6 0 / 26.0

Subtask #1
14.0 / 14.0

Subtask #2
17.0 / 17.0

Subtask #3
9.0 / 9.0

Subtask #4
0 / 13.0

Subtask #5
0 / 21.0

Subtask #6
0 / 26.0