답안 #775802

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
775802 2023-07-07T03:26:48 Z SanguineChameleon 메기 농장 (IOI22_fish) C++17
100 / 100
139 ms 37612 KB
#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;
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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