Submission #775802

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
775802	2023-07-07T03:26:48 Z	SanguineChameleon	Catfish Farm (IOI22_fish)	C++17	100 / 100	139 ms	37612 KB

fish

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

const int maxN = 1e5 + 20;
const long long inf = 1e18L + 20;
vector<pair<int, int>> col[maxN];
vector<long long> dp_down[maxN];
vector<long long> dp_up[maxN];

long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	for (int i = 0; i < M; i++) {
		col[X[i]].emplace_back(Y[i], W[i]);
	}
	for (int i = 0; i < N; i++) {
		col[i].emplace_back(-1, 0);
		col[i].emplace_back(N, 0);
		sort(col[i].begin(), col[i].end());
		dp_down[i].resize(col[i].size(), (i ? -inf : 0));
		dp_up[i].resize(col[i].size(), (i ? -inf: 0));
	}
	for (int i = 1; i < N; i++) {
		int prv_sz = col[i - 1].size();
		int cur_sz = col[i].size();
		int pt = cur_sz - 1;
		for (int j = prv_sz - 1; j >= 0; j--) {
			while (col[i][pt].first > col[i - 1][j].first) {
				pt--;
			}
			dp_down[i][pt] = max(dp_down[i][pt], max(dp_up[i - 1][j], dp_down[i - 1][j]) + (col[i][pt].first < col[i - 1][j].first ? col[i][pt].second : 0));
		}
		for (int j = cur_sz - 2; j >= 0; j--) {
			dp_down[i][j] = max(dp_down[i][j], dp_down[i][j + 1] + col[i][j].second);
		}
		long long max_up = -inf;
		long long max_down = -inf;
		pt = -1;
		for (int j = 0; j < cur_sz; j++) {
			while (pt + 1 < prv_sz && col[i - 1][pt + 1].first < col[i][j].first) {
				max_up = max(max_up, dp_up[i - 1][pt + 1]) + col[i - 1][pt + 1].second;
				max_down = max(max_down, dp_down[i - 1][pt + 1]);
				pt++;
			}
			if (pt + 1 < prv_sz && col[i - 1][pt + 1].first == col[i][j].first) {
				dp_up[i][j] = max(dp_up[i][j], dp_up[i - 1][pt + 1]);
				dp_up[i][j] = max(dp_up[i][j], dp_down[i - 1][pt + 1]);
			}
			dp_up[i][j] = max(dp_up[i][j], max_up);
			dp_up[i][j] = max(dp_up[i][j], max_down);
		}
	}
	long long res = 0;
	for (int i = 0; i < (int)col[N - 1].size(); i++) {
		res = max(res, dp_up[N - 1][i]);
		res = max(res, dp_down[N - 1][i]);
	}
	return res;
}

Subtask #1
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	19548 KB	Output is correct
2	Correct	51 ms	21436 KB	Output is correct
3	Correct	21 ms	16628 KB	Output is correct
4	Correct	21 ms	16744 KB	Output is correct
5	Correct	117 ms	30740 KB	Output is correct
6	Correct	125 ms	31600 KB	Output is correct

Subtask #2
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	7252 KB	Output is correct
2	Correct	70 ms	26208 KB	Output is correct
3	Correct	82 ms	29520 KB	Output is correct
4	Correct	45 ms	20928 KB	Output is correct
5	Correct	51 ms	23104 KB	Output is correct
6	Correct	3 ms	7252 KB	Output is correct
7	Correct	3 ms	7348 KB	Output is correct
8	Correct	3 ms	7252 KB	Output is correct
9	Correct	3 ms	7348 KB	Output is correct
10	Correct	20 ms	16692 KB	Output is correct
11	Correct	24 ms	16740 KB	Output is correct
12	Correct	51 ms	21024 KB	Output is correct
13	Correct	51 ms	23088 KB	Output is correct
14	Correct	43 ms	20952 KB	Output is correct
15	Correct	48 ms	22468 KB	Output is correct
16	Correct	44 ms	20944 KB	Output is correct
17	Correct	51 ms	22516 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	16716 KB	Output is correct
2	Correct	22 ms	16692 KB	Output is correct
3	Correct	34 ms	17784 KB	Output is correct
4	Correct	32 ms	18140 KB	Output is correct
5	Correct	49 ms	20652 KB	Output is correct
6	Correct	52 ms	20632 KB	Output is correct
7	Correct	49 ms	20560 KB	Output is correct
8	Correct	49 ms	20556 KB	Output is correct

Subtask #4
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	7252 KB	Output is correct
2	Correct	5 ms	7252 KB	Output is correct
3	Correct	4 ms	7252 KB	Output is correct
4	Correct	3 ms	7252 KB	Output is correct
5	Correct	3 ms	7252 KB	Output is correct
6	Correct	4 ms	7352 KB	Output is correct
7	Correct	3 ms	7252 KB	Output is correct
8	Correct	3 ms	7348 KB	Output is correct
9	Correct	4 ms	7368 KB	Output is correct
10	Correct	4 ms	7508 KB	Output is correct
11	Correct	4 ms	7352 KB	Output is correct
12	Correct	4 ms	7356 KB	Output is correct
13	Correct	4 ms	7252 KB	Output is correct
14	Correct	4 ms	7384 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	7252 KB	Output is correct
2	Correct	5 ms	7252 KB	Output is correct
3	Correct	4 ms	7252 KB	Output is correct
4	Correct	3 ms	7252 KB	Output is correct
5	Correct	3 ms	7252 KB	Output is correct
6	Correct	4 ms	7352 KB	Output is correct
7	Correct	3 ms	7252 KB	Output is correct
8	Correct	3 ms	7348 KB	Output is correct
9	Correct	4 ms	7368 KB	Output is correct
10	Correct	4 ms	7508 KB	Output is correct
11	Correct	4 ms	7352 KB	Output is correct
12	Correct	4 ms	7356 KB	Output is correct
13	Correct	4 ms	7252 KB	Output is correct
14	Correct	4 ms	7384 KB	Output is correct
15	Correct	4 ms	7344 KB	Output is correct
16	Correct	4 ms	7408 KB	Output is correct
17	Correct	21 ms	10308 KB	Output is correct
18	Correct	16 ms	10568 KB	Output is correct
19	Correct	17 ms	10580 KB	Output is correct
20	Correct	16 ms	10452 KB	Output is correct
21	Correct	17 ms	10452 KB	Output is correct
22	Correct	29 ms	13636 KB	Output is correct
23	Correct	6 ms	7868 KB	Output is correct
24	Correct	12 ms	9300 KB	Output is correct
25	Correct	4 ms	7380 KB	Output is correct
26	Correct	6 ms	7892 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	7252 KB	Output is correct
2	Correct	5 ms	7252 KB	Output is correct
3	Correct	4 ms	7252 KB	Output is correct
4	Correct	3 ms	7252 KB	Output is correct
5	Correct	3 ms	7252 KB	Output is correct
6	Correct	4 ms	7352 KB	Output is correct
7	Correct	3 ms	7252 KB	Output is correct
8	Correct	3 ms	7348 KB	Output is correct
9	Correct	4 ms	7368 KB	Output is correct
10	Correct	4 ms	7508 KB	Output is correct
11	Correct	4 ms	7352 KB	Output is correct
12	Correct	4 ms	7356 KB	Output is correct
13	Correct	4 ms	7252 KB	Output is correct
14	Correct	4 ms	7384 KB	Output is correct
15	Correct	4 ms	7344 KB	Output is correct
16	Correct	4 ms	7408 KB	Output is correct
17	Correct	21 ms	10308 KB	Output is correct
18	Correct	16 ms	10568 KB	Output is correct
19	Correct	17 ms	10580 KB	Output is correct
20	Correct	16 ms	10452 KB	Output is correct
21	Correct	17 ms	10452 KB	Output is correct
22	Correct	29 ms	13636 KB	Output is correct
23	Correct	6 ms	7868 KB	Output is correct
24	Correct	12 ms	9300 KB	Output is correct
25	Correct	4 ms	7380 KB	Output is correct
26	Correct	6 ms	7892 KB	Output is correct
27	Correct	4 ms	7764 KB	Output is correct
28	Correct	69 ms	22928 KB	Output is correct
29	Correct	97 ms	28356 KB	Output is correct
30	Correct	95 ms	28136 KB	Output is correct
31	Correct	94 ms	28128 KB	Output is correct
32	Correct	90 ms	28900 KB	Output is correct
33	Correct	100 ms	28056 KB	Output is correct
34	Correct	94 ms	28108 KB	Output is correct
35	Correct	38 ms	15492 KB	Output is correct
36	Correct	92 ms	28720 KB	Output is correct

Subtask #7
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	16716 KB	Output is correct
2	Correct	22 ms	16692 KB	Output is correct
3	Correct	34 ms	17784 KB	Output is correct
4	Correct	32 ms	18140 KB	Output is correct
5	Correct	49 ms	20652 KB	Output is correct
6	Correct	52 ms	20632 KB	Output is correct
7	Correct	49 ms	20560 KB	Output is correct
8	Correct	49 ms	20556 KB	Output is correct
9	Correct	45 ms	20556 KB	Output is correct
10	Correct	41 ms	18832 KB	Output is correct
11	Correct	88 ms	30444 KB	Output is correct
12	Correct	4 ms	7280 KB	Output is correct
13	Correct	5 ms	7252 KB	Output is correct
14	Correct	5 ms	7252 KB	Output is correct
15	Correct	4 ms	7348 KB	Output is correct
16	Correct	3 ms	7252 KB	Output is correct
17	Correct	3 ms	7252 KB	Output is correct
18	Correct	19 ms	16748 KB	Output is correct
19	Correct	20 ms	16636 KB	Output is correct
20	Correct	20 ms	16724 KB	Output is correct
21	Correct	20 ms	16720 KB	Output is correct
22	Correct	66 ms	23212 KB	Output is correct
23	Correct	88 ms	30428 KB	Output is correct
24	Correct	90 ms	31052 KB	Output is correct

Subtask #8
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	43 ms	19548 KB	Output is correct
2	Correct	51 ms	21436 KB	Output is correct
3	Correct	21 ms	16628 KB	Output is correct
4	Correct	21 ms	16744 KB	Output is correct
5	Correct	117 ms	30740 KB	Output is correct
6	Correct	125 ms	31600 KB	Output is correct
7	Correct	3 ms	7252 KB	Output is correct
8	Correct	70 ms	26208 KB	Output is correct
9	Correct	82 ms	29520 KB	Output is correct
10	Correct	45 ms	20928 KB	Output is correct
11	Correct	51 ms	23104 KB	Output is correct
12	Correct	3 ms	7252 KB	Output is correct
13	Correct	3 ms	7348 KB	Output is correct
14	Correct	3 ms	7252 KB	Output is correct
15	Correct	3 ms	7348 KB	Output is correct
16	Correct	20 ms	16692 KB	Output is correct
17	Correct	24 ms	16740 KB	Output is correct
18	Correct	51 ms	21024 KB	Output is correct
19	Correct	51 ms	23088 KB	Output is correct
20	Correct	43 ms	20952 KB	Output is correct
21	Correct	48 ms	22468 KB	Output is correct
22	Correct	44 ms	20944 KB	Output is correct
23	Correct	51 ms	22516 KB	Output is correct
24	Correct	25 ms	16716 KB	Output is correct
25	Correct	22 ms	16692 KB	Output is correct
26	Correct	34 ms	17784 KB	Output is correct
27	Correct	32 ms	18140 KB	Output is correct
28	Correct	49 ms	20652 KB	Output is correct
29	Correct	52 ms	20632 KB	Output is correct
30	Correct	49 ms	20560 KB	Output is correct
31	Correct	49 ms	20556 KB	Output is correct
32	Correct	3 ms	7252 KB	Output is correct
33	Correct	5 ms	7252 KB	Output is correct
34	Correct	4 ms	7252 KB	Output is correct
35	Correct	3 ms	7252 KB	Output is correct
36	Correct	3 ms	7252 KB	Output is correct
37	Correct	4 ms	7352 KB	Output is correct
38	Correct	3 ms	7252 KB	Output is correct
39	Correct	3 ms	7348 KB	Output is correct
40	Correct	4 ms	7368 KB	Output is correct
41	Correct	4 ms	7508 KB	Output is correct
42	Correct	4 ms	7352 KB	Output is correct
43	Correct	4 ms	7356 KB	Output is correct
44	Correct	4 ms	7252 KB	Output is correct
45	Correct	4 ms	7384 KB	Output is correct
46	Correct	4 ms	7344 KB	Output is correct
47	Correct	4 ms	7408 KB	Output is correct
48	Correct	21 ms	10308 KB	Output is correct
49	Correct	16 ms	10568 KB	Output is correct
50	Correct	17 ms	10580 KB	Output is correct
51	Correct	16 ms	10452 KB	Output is correct
52	Correct	17 ms	10452 KB	Output is correct
53	Correct	29 ms	13636 KB	Output is correct
54	Correct	6 ms	7868 KB	Output is correct
55	Correct	12 ms	9300 KB	Output is correct
56	Correct	4 ms	7380 KB	Output is correct
57	Correct	6 ms	7892 KB	Output is correct
58	Correct	4 ms	7764 KB	Output is correct
59	Correct	69 ms	22928 KB	Output is correct
60	Correct	97 ms	28356 KB	Output is correct
61	Correct	95 ms	28136 KB	Output is correct
62	Correct	94 ms	28128 KB	Output is correct
63	Correct	90 ms	28900 KB	Output is correct
64	Correct	100 ms	28056 KB	Output is correct
65	Correct	94 ms	28108 KB	Output is correct
66	Correct	38 ms	15492 KB	Output is correct
67	Correct	92 ms	28720 KB	Output is correct
68	Correct	45 ms	20556 KB	Output is correct
69	Correct	41 ms	18832 KB	Output is correct
70	Correct	88 ms	30444 KB	Output is correct
71	Correct	4 ms	7280 KB	Output is correct
72	Correct	5 ms	7252 KB	Output is correct
73	Correct	5 ms	7252 KB	Output is correct
74	Correct	4 ms	7348 KB	Output is correct
75	Correct	3 ms	7252 KB	Output is correct
76	Correct	3 ms	7252 KB	Output is correct
77	Correct	19 ms	16748 KB	Output is correct
78	Correct	20 ms	16636 KB	Output is correct
79	Correct	20 ms	16724 KB	Output is correct
80	Correct	20 ms	16720 KB	Output is correct
81	Correct	66 ms	23212 KB	Output is correct
82	Correct	88 ms	30428 KB	Output is correct
83	Correct	90 ms	31052 KB	Output is correct
84	Correct	139 ms	36380 KB	Output is correct
85	Correct	120 ms	36612 KB	Output is correct
86	Correct	122 ms	36676 KB	Output is correct
87	Correct	135 ms	37612 KB	Output is correct
88	Correct	4 ms	7252 KB	Output is correct
89	Correct	129 ms	37604 KB	Output is correct
90	Correct	128 ms	36832 KB	Output is correct
91	Correct	117 ms	36968 KB	Output is correct

Submission #775802

Compilation message