답안 #1056004

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1056004	2024-08-13T07:05:15 Z	parsadox2	메기 농장 (IOI22_fish)	C++17	100 / 100	109 ms	38364 KB

fish

#include "fish.h"
#include <bits/stdc++.h>
#define F first
#define S second

using namespace std;

const int N = 1e5 + 10;
int n , m , sz[N];
vector <pair<int , int>> all[N];
vector <long long> dp[2][N];

long long max_weights(int nn , int mm , vector <int> X , vector <int> Y , vector <int> W)
{
	n = nn;
	m = mm;
	for(int i = 0 ; i < n ; i++)
		all[i].push_back({0 , 0});
	for(int i = 0 ; i < m ; i++)
		all[X[i]].push_back(make_pair(Y[i] , W[i]));
	for(int i = 0 ; i < n ; i++)
		all[i].push_back({n , 0});
	for(int i = 0 ; i < n ; i++)
	{
		sort(all[i].begin() , all[i].end());
		sz[i] = all[i].size();
		dp[0][i].resize(sz[i] , 0);
		dp[1][i].resize(sz[i] , 0);
	}
	long long ans = 0;
	for(int i = 1 ; i < n ; i++)
	{
		long long mx = 0;
		for(auto u : dp[0][i - 1])
			mx = max(mx , u);
		for(auto u : dp[1][i - 1])
			mx = max(mx , u);
		int pos = 0;
		long long val_down = 0;
		for(int j = 0 ; j < sz[i] ; j++)
		{
			while(pos != sz[i - 1] && all[i - 1][pos].F < all[i][j].F)
			{
				val_down = max(val_down , dp[0][i - 1][pos]);
				val_down += all[i - 1][pos].S;
				pos++;
			}
			dp[0][i][j] = max(dp[0][i][j] , (max(mx , val_down)));
			dp[1][i][j] = max(dp[1][i][j] , (max(mx , val_down)));
		}
		long long val_up = 0;
		pos = sz[i - 1] - 1;
		for(int j = sz[i] - 1 ; j >= 0 ; j--)
		{
			while(pos >= 0 && all[i - 1][pos].F > all[i][j].F)
			{
				val_up = max(val_up , dp[1][i - 1][pos]);
				pos--;
			}
			val_up += all[i][j].S;
			dp[1][i][j] = max(dp[1][i][j] , val_up);
			ans = max(ans , dp[1][i][j]);
			ans = max(ans , dp[0][i][j]);
		}
	}
	return ans;
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	20872 KB	Output is correct
2	Correct	38 ms	22992 KB	Output is correct
3	Correct	15 ms	17244 KB	Output is correct
4	Correct	14 ms	17060 KB	Output is correct
5	Correct	85 ms	34592 KB	Output is correct
6	Correct	109 ms	35664 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	7260 KB	Output is correct
2	Correct	49 ms	25448 KB	Output is correct
3	Correct	59 ms	30144 KB	Output is correct
4	Correct	31 ms	21448 KB	Output is correct
5	Correct	36 ms	23500 KB	Output is correct
6	Correct	3 ms	7260 KB	Output is correct
7	Correct	2 ms	7488 KB	Output is correct
8	Correct	2 ms	7260 KB	Output is correct
9	Correct	2 ms	7260 KB	Output is correct
10	Correct	15 ms	17240 KB	Output is correct
11	Correct	15 ms	17244 KB	Output is correct
12	Correct	35 ms	21444 KB	Output is correct
13	Correct	42 ms	23504 KB	Output is correct
14	Correct	36 ms	21448 KB	Output is correct
15	Correct	36 ms	22984 KB	Output is correct
16	Correct	40 ms	21376 KB	Output is correct
17	Correct	34 ms	22968 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	17244 KB	Output is correct
2	Correct	14 ms	17244 KB	Output is correct
3	Correct	25 ms	19292 KB	Output is correct
4	Correct	24 ms	19288 KB	Output is correct
5	Correct	40 ms	22704 KB	Output is correct
6	Correct	37 ms	22228 KB	Output is correct
7	Correct	43 ms	22520 KB	Output is correct
8	Correct	37 ms	22608 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7260 KB	Output is correct
2	Correct	2 ms	7260 KB	Output is correct
3	Correct	3 ms	7260 KB	Output is correct
4	Correct	3 ms	7488 KB	Output is correct
5	Correct	3 ms	7256 KB	Output is correct
6	Correct	3 ms	7260 KB	Output is correct
7	Correct	3 ms	7492 KB	Output is correct
8	Correct	3 ms	7304 KB	Output is correct
9	Correct	3 ms	7512 KB	Output is correct
10	Correct	3 ms	7516 KB	Output is correct
11	Correct	2 ms	7516 KB	Output is correct
12	Correct	3 ms	7512 KB	Output is correct
13	Correct	3 ms	7256 KB	Output is correct
14	Correct	3 ms	7512 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7260 KB	Output is correct
2	Correct	2 ms	7260 KB	Output is correct
3	Correct	3 ms	7260 KB	Output is correct
4	Correct	3 ms	7488 KB	Output is correct
5	Correct	3 ms	7256 KB	Output is correct
6	Correct	3 ms	7260 KB	Output is correct
7	Correct	3 ms	7492 KB	Output is correct
8	Correct	3 ms	7304 KB	Output is correct
9	Correct	3 ms	7512 KB	Output is correct
10	Correct	3 ms	7516 KB	Output is correct
11	Correct	2 ms	7516 KB	Output is correct
12	Correct	3 ms	7512 KB	Output is correct
13	Correct	3 ms	7256 KB	Output is correct
14	Correct	3 ms	7512 KB	Output is correct
15	Correct	3 ms	7516 KB	Output is correct
16	Correct	3 ms	7516 KB	Output is correct
17	Correct	11 ms	10324 KB	Output is correct
18	Correct	11 ms	10712 KB	Output is correct
19	Correct	12 ms	10588 KB	Output is correct
20	Correct	11 ms	10588 KB	Output is correct
21	Correct	11 ms	10588 KB	Output is correct
22	Correct	20 ms	13660 KB	Output is correct
23	Correct	4 ms	8024 KB	Output is correct
24	Correct	11 ms	9308 KB	Output is correct
25	Correct	3 ms	7516 KB	Output is correct
26	Correct	4 ms	8024 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	7260 KB	Output is correct
2	Correct	2 ms	7260 KB	Output is correct
3	Correct	3 ms	7260 KB	Output is correct
4	Correct	3 ms	7488 KB	Output is correct
5	Correct	3 ms	7256 KB	Output is correct
6	Correct	3 ms	7260 KB	Output is correct
7	Correct	3 ms	7492 KB	Output is correct
8	Correct	3 ms	7304 KB	Output is correct
9	Correct	3 ms	7512 KB	Output is correct
10	Correct	3 ms	7516 KB	Output is correct
11	Correct	2 ms	7516 KB	Output is correct
12	Correct	3 ms	7512 KB	Output is correct
13	Correct	3 ms	7256 KB	Output is correct
14	Correct	3 ms	7512 KB	Output is correct
15	Correct	3 ms	7516 KB	Output is correct
16	Correct	3 ms	7516 KB	Output is correct
17	Correct	11 ms	10324 KB	Output is correct
18	Correct	11 ms	10712 KB	Output is correct
19	Correct	12 ms	10588 KB	Output is correct
20	Correct	11 ms	10588 KB	Output is correct
21	Correct	11 ms	10588 KB	Output is correct
22	Correct	20 ms	13660 KB	Output is correct
23	Correct	4 ms	8024 KB	Output is correct
24	Correct	11 ms	9308 KB	Output is correct
25	Correct	3 ms	7516 KB	Output is correct
26	Correct	4 ms	8024 KB	Output is correct
27	Correct	3 ms	7772 KB	Output is correct
28	Correct	57 ms	22680 KB	Output is correct
29	Correct	66 ms	28244 KB	Output is correct
30	Correct	85 ms	28132 KB	Output is correct
31	Correct	67 ms	28244 KB	Output is correct
32	Correct	60 ms	29040 KB	Output is correct
33	Correct	66 ms	28244 KB	Output is correct
34	Correct	66 ms	28252 KB	Output is correct
35	Correct	28 ms	15708 KB	Output is correct
36	Correct	65 ms	28796 KB	Output is correct

Subtask #7
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	17244 KB	Output is correct
2	Correct	14 ms	17244 KB	Output is correct
3	Correct	25 ms	19292 KB	Output is correct
4	Correct	24 ms	19288 KB	Output is correct
5	Correct	40 ms	22704 KB	Output is correct
6	Correct	37 ms	22228 KB	Output is correct
7	Correct	43 ms	22520 KB	Output is correct
8	Correct	37 ms	22608 KB	Output is correct
9	Correct	40 ms	22720 KB	Output is correct
10	Correct	30 ms	18356 KB	Output is correct
11	Correct	60 ms	30824 KB	Output is correct
12	Correct	2 ms	7260 KB	Output is correct
13	Correct	2 ms	7256 KB	Output is correct
14	Correct	2 ms	7260 KB	Output is correct
15	Correct	2 ms	7260 KB	Output is correct
16	Correct	4 ms	7312 KB	Output is correct
17	Correct	2 ms	7260 KB	Output is correct
18	Correct	19 ms	17244 KB	Output is correct
19	Correct	14 ms	17244 KB	Output is correct
20	Correct	15 ms	17244 KB	Output is correct
21	Correct	14 ms	17216 KB	Output is correct
22	Correct	39 ms	23900 KB	Output is correct
23	Correct	66 ms	30800 KB	Output is correct
24	Correct	74 ms	31312 KB	Output is correct

Subtask #8
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	20872 KB	Output is correct
2	Correct	38 ms	22992 KB	Output is correct
3	Correct	15 ms	17244 KB	Output is correct
4	Correct	14 ms	17060 KB	Output is correct
5	Correct	85 ms	34592 KB	Output is correct
6	Correct	109 ms	35664 KB	Output is correct
7	Correct	2 ms	7260 KB	Output is correct
8	Correct	49 ms	25448 KB	Output is correct
9	Correct	59 ms	30144 KB	Output is correct
10	Correct	31 ms	21448 KB	Output is correct
11	Correct	36 ms	23500 KB	Output is correct
12	Correct	3 ms	7260 KB	Output is correct
13	Correct	2 ms	7488 KB	Output is correct
14	Correct	2 ms	7260 KB	Output is correct
15	Correct	2 ms	7260 KB	Output is correct
16	Correct	15 ms	17240 KB	Output is correct
17	Correct	15 ms	17244 KB	Output is correct
18	Correct	35 ms	21444 KB	Output is correct
19	Correct	42 ms	23504 KB	Output is correct
20	Correct	36 ms	21448 KB	Output is correct
21	Correct	36 ms	22984 KB	Output is correct
22	Correct	40 ms	21376 KB	Output is correct
23	Correct	34 ms	22968 KB	Output is correct
24	Correct	15 ms	17244 KB	Output is correct
25	Correct	14 ms	17244 KB	Output is correct
26	Correct	25 ms	19292 KB	Output is correct
27	Correct	24 ms	19288 KB	Output is correct
28	Correct	40 ms	22704 KB	Output is correct
29	Correct	37 ms	22228 KB	Output is correct
30	Correct	43 ms	22520 KB	Output is correct
31	Correct	37 ms	22608 KB	Output is correct
32	Correct	3 ms	7260 KB	Output is correct
33	Correct	2 ms	7260 KB	Output is correct
34	Correct	3 ms	7260 KB	Output is correct
35	Correct	3 ms	7488 KB	Output is correct
36	Correct	3 ms	7256 KB	Output is correct
37	Correct	3 ms	7260 KB	Output is correct
38	Correct	3 ms	7492 KB	Output is correct
39	Correct	3 ms	7304 KB	Output is correct
40	Correct	3 ms	7512 KB	Output is correct
41	Correct	3 ms	7516 KB	Output is correct
42	Correct	2 ms	7516 KB	Output is correct
43	Correct	3 ms	7512 KB	Output is correct
44	Correct	3 ms	7256 KB	Output is correct
45	Correct	3 ms	7512 KB	Output is correct
46	Correct	3 ms	7516 KB	Output is correct
47	Correct	3 ms	7516 KB	Output is correct
48	Correct	11 ms	10324 KB	Output is correct
49	Correct	11 ms	10712 KB	Output is correct
50	Correct	12 ms	10588 KB	Output is correct
51	Correct	11 ms	10588 KB	Output is correct
52	Correct	11 ms	10588 KB	Output is correct
53	Correct	20 ms	13660 KB	Output is correct
54	Correct	4 ms	8024 KB	Output is correct
55	Correct	11 ms	9308 KB	Output is correct
56	Correct	3 ms	7516 KB	Output is correct
57	Correct	4 ms	8024 KB	Output is correct
58	Correct	3 ms	7772 KB	Output is correct
59	Correct	57 ms	22680 KB	Output is correct
60	Correct	66 ms	28244 KB	Output is correct
61	Correct	85 ms	28132 KB	Output is correct
62	Correct	67 ms	28244 KB	Output is correct
63	Correct	60 ms	29040 KB	Output is correct
64	Correct	66 ms	28244 KB	Output is correct
65	Correct	66 ms	28252 KB	Output is correct
66	Correct	28 ms	15708 KB	Output is correct
67	Correct	65 ms	28796 KB	Output is correct
68	Correct	40 ms	22720 KB	Output is correct
69	Correct	30 ms	18356 KB	Output is correct
70	Correct	60 ms	30824 KB	Output is correct
71	Correct	2 ms	7260 KB	Output is correct
72	Correct	2 ms	7256 KB	Output is correct
73	Correct	2 ms	7260 KB	Output is correct
74	Correct	2 ms	7260 KB	Output is correct
75	Correct	4 ms	7312 KB	Output is correct
76	Correct	2 ms	7260 KB	Output is correct
77	Correct	19 ms	17244 KB	Output is correct
78	Correct	14 ms	17244 KB	Output is correct
79	Correct	15 ms	17244 KB	Output is correct
80	Correct	14 ms	17216 KB	Output is correct
81	Correct	39 ms	23900 KB	Output is correct
82	Correct	66 ms	30800 KB	Output is correct
83	Correct	74 ms	31312 KB	Output is correct
84	Correct	81 ms	36528 KB	Output is correct
85	Correct	88 ms	37124 KB	Output is correct
86	Correct	84 ms	37196 KB	Output is correct
87	Correct	96 ms	38260 KB	Output is correct
88	Correct	2 ms	7260 KB	Output is correct
89	Correct	108 ms	38364 KB	Output is correct
90	Correct	85 ms	37200 KB	Output is correct
91	Correct	80 ms	37460 KB	Output is correct

답안 #1056004

Compilation message