답안 #275139

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
275139	2020-08-20T04:35:52 Z	wutwere	Lasers (NOI19_lasers)	C++17	100 / 100	486 ms	29304 KB

lasers

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

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	map<int, int> pref;
	int l, r; cin >> l >> r;
	for (int i = 0; i < r; i++) {
		int x; cin >> x;
		vector<int> vals(x);
		int sum = 0, pos = 0;
		for (int j = 0; j < x; j++) {
			cin >> vals[j];
			sum += vals[j];
		}
		for (int j = 0; j < x; j++) {
			int len = l - sum - pos + vals[j];
			if (vals[j] - (len - vals[j]) > 0) {
				pref[l - sum]++;
				pref[l - sum + vals[j] - (len - vals[j])]--;
			}
			sum -= vals[j];
			pos += vals[j];
		}
	}
	int cnt = 0, start = 0, ans = 0;
	for (auto i : pref) {
		bool no = cnt == 0;
		cnt += i.second;
		if (i.second > 0) {
			if (no) {
				start = i.first;
			}
		} else {
			if (cnt == 0) {
				ans += i.first - start;
				// cerr << start << ' ' << i.first - 1 << '\n';
			}
		}
	}
	cout << ans;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	107 ms	640 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	421 ms	20164 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	16124 KB	Output is correct
2	Correct	17 ms	3084 KB	Output is correct
3	Correct	15 ms	2124 KB	Output is correct
4	Correct	103 ms	18036 KB	Output is correct
5	Correct	37 ms	7288 KB	Output is correct
6	Correct	45 ms	6080 KB	Output is correct
7	Correct	2 ms	640 KB	Output is correct
8	Correct	57 ms	7892 KB	Output is correct
9	Correct	73 ms	13044 KB	Output is correct
10	Correct	126 ms	20044 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	16124 KB	Output is correct
2	Correct	17 ms	3084 KB	Output is correct
3	Correct	15 ms	2124 KB	Output is correct
4	Correct	103 ms	18036 KB	Output is correct
5	Correct	37 ms	7288 KB	Output is correct
6	Correct	45 ms	6080 KB	Output is correct
7	Correct	2 ms	640 KB	Output is correct
8	Correct	57 ms	7892 KB	Output is correct
9	Correct	73 ms	13044 KB	Output is correct
10	Correct	126 ms	20044 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	458 ms	22484 KB	Output is correct
22	Correct	75 ms	6520 KB	Output is correct
23	Correct	28 ms	5120 KB	Output is correct
24	Correct	120 ms	15632 KB	Output is correct
25	Correct	448 ms	22264 KB	Output is correct
26	Correct	197 ms	12440 KB	Output is correct
27	Correct	49 ms	5496 KB	Output is correct
28	Correct	432 ms	22268 KB	Output is correct
29	Correct	431 ms	22520 KB	Output is correct
30	Correct	85 ms	11600 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	107 ms	640 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	421 ms	20164 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	97 ms	16124 KB	Output is correct
22	Correct	17 ms	3084 KB	Output is correct
23	Correct	15 ms	2124 KB	Output is correct
24	Correct	103 ms	18036 KB	Output is correct
25	Correct	37 ms	7288 KB	Output is correct
26	Correct	45 ms	6080 KB	Output is correct
27	Correct	2 ms	640 KB	Output is correct
28	Correct	57 ms	7892 KB	Output is correct
29	Correct	73 ms	13044 KB	Output is correct
30	Correct	126 ms	20044 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	1 ms	384 KB	Output is correct
41	Correct	458 ms	22484 KB	Output is correct
42	Correct	75 ms	6520 KB	Output is correct
43	Correct	28 ms	5120 KB	Output is correct
44	Correct	120 ms	15632 KB	Output is correct
45	Correct	448 ms	22264 KB	Output is correct
46	Correct	197 ms	12440 KB	Output is correct
47	Correct	49 ms	5496 KB	Output is correct
48	Correct	432 ms	22268 KB	Output is correct
49	Correct	431 ms	22520 KB	Output is correct
50	Correct	85 ms	11600 KB	Output is correct
51	Correct	45 ms	7288 KB	Output is correct
52	Correct	479 ms	28352 KB	Output is correct
53	Correct	486 ms	28156 KB	Output is correct
54	Correct	97 ms	9336 KB	Output is correct
55	Correct	295 ms	22008 KB	Output is correct
56	Correct	135 ms	16956 KB	Output is correct
57	Correct	197 ms	15928 KB	Output is correct
58	Correct	480 ms	29304 KB	Output is correct
59	Correct	139 ms	12024 KB	Output is correct
60	Correct	167 ms	14716 KB	Output is correct

답안 #275139

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 14.0 / 14.0

Subtask #3 20.0 / 20.0

Subtask #4 21.0 / 21.0

Subtask #5 22.0 / 22.0

Subtask #6 13.0 / 13.0

Subtask #1
10.0 / 10.0

Subtask #2
14.0 / 14.0

Subtask #3
20.0 / 20.0

Subtask #4
21.0 / 21.0

Subtask #5
22.0 / 22.0

Subtask #6
13.0 / 13.0