답안 #666757

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
666757	2022-11-29T14:42:14 Z	flappybird	메기 농장 (IOI22_fish)	C++17	100 / 100	208 ms	29668 KB

fish

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

#define MAX 302020
typedef long long ll;
typedef pair<int, int> pii;

ll tdp[MAX]; // full dp
ll bdp[MAX]; // zero dp
ll sum[MAX];

vector<pii> locs[MAX];

struct bit {
	int N;
	bool rev;
	vector<ll> tree;
	bit(int N, bool rev) :N(N + 2), rev(rev) { tree = vector<ll>(N + 3, -1e18); }
	void upd(int i, ll v) {
		if (rev) i = N - i - 1;
		i++;
		while (i <= N) {
			tree[i] = max(tree[i], v);
			i += i & -i;
		}
	}
	ll get(int i) {
		if (rev) i = N - i - 1;
		i++;
		ll ans = -1e18;
		while (i) {
			ans = max(ans, tree[i]);
			i -= i & -i;
		}
		return ans;
	}
};

ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
	int i;
	for (auto& v : X) v++;
	for (auto& v : Y) v++;
	for (i = 0; i < M; i++) locs[X[i]].emplace_back(Y[i], W[i]);
	for (i = 1; i <= N; i++) if (locs[i].size()) {
		sort(locs[i].begin(), locs[i].end());
		for (auto& [_, v] : locs[i]) sum[i] += v;
	}
	bit fenu(N, false), fend(N, true);
	fenu.upd(0, 0);
	for (i = 0; i <= N; i++) tdp[i] = bdp[i] = -1e18;
	for (i = 1; i <= N; i++) {
		tdp[i] = tdp[i - 1];
		bdp[i] = bdp[i - 1];
		if (i > 2) fend.upd(N + 1, tdp[i - 2]);
		if (i > 1) fenu.upd(0, bdp[i - 1]);
		if (i > 1) fend.upd(N + 1, 0);
		for (auto& [y, w] : locs[i]) fenu.upd(y, fenu.get(y - 1) + w);
		tdp[i] = max(tdp[i], fenu.get(N + 1));
		for (int j = (int)locs[i].size() - 1; j >= 0; j--) {
			ll y = locs[i][j].first;
			ll w = locs[i][j].second;
			fend.upd(y, fend.get(y + 1) + w);
		}
		bdp[i] = max(bdp[i], fend.get(0));
		if (i > 2) tdp[i] = max(tdp[i], sum[i] + tdp[i - 2]);
	}
	ll ans = fend.get(0);
	for (i = 1; i < N; i++) ans = max(ans, tdp[i]);
	for (i = 1; i <= N; i++) ans = max(ans, bdp[i]);
	return ans;
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	12872 KB	Output is correct
2	Correct	57 ms	13736 KB	Output is correct
3	Correct	17 ms	10452 KB	Output is correct
4	Correct	18 ms	10452 KB	Output is correct
5	Correct	155 ms	20144 KB	Output is correct
6	Correct	170 ms	22688 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	88 ms	15340 KB	Output is correct
3	Correct	104 ms	17024 KB	Output is correct
4	Correct	53 ms	12884 KB	Output is correct
5	Correct	64 ms	13816 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	4 ms	7380 KB	Output is correct
8	Correct	4 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	17 ms	10452 KB	Output is correct
11	Correct	21 ms	10452 KB	Output is correct
12	Correct	49 ms	12916 KB	Output is correct
13	Correct	57 ms	13768 KB	Output is correct
14	Correct	55 ms	12856 KB	Output is correct
15	Correct	74 ms	13576 KB	Output is correct
16	Correct	50 ms	12992 KB	Output is correct
17	Correct	53 ms	13572 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	10452 KB	Output is correct
2	Correct	22 ms	10452 KB	Output is correct
3	Correct	41 ms	13872 KB	Output is correct
4	Correct	32 ms	13012 KB	Output is correct
5	Correct	65 ms	16780 KB	Output is correct
6	Correct	66 ms	16808 KB	Output is correct
7	Correct	65 ms	16768 KB	Output is correct
8	Correct	59 ms	16772 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	3 ms	7380 KB	Output is correct
4	Correct	4 ms	7384 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	5 ms	7508 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	5 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	3 ms	7380 KB	Output is correct
4	Correct	4 ms	7384 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	5 ms	7508 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	5 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	26 ms	8976 KB	Output is correct
18	Correct	19 ms	9260 KB	Output is correct
19	Correct	21 ms	9172 KB	Output is correct
20	Correct	21 ms	9172 KB	Output is correct
21	Correct	21 ms	9092 KB	Output is correct
22	Correct	44 ms	10884 KB	Output is correct
23	Correct	7 ms	7764 KB	Output is correct
24	Correct	14 ms	8472 KB	Output is correct
25	Correct	5 ms	7380 KB	Output is correct
26	Correct	7 ms	7744 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	3 ms	7380 KB	Output is correct
4	Correct	4 ms	7384 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7380 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	5 ms	7508 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	5 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	26 ms	8976 KB	Output is correct
18	Correct	19 ms	9260 KB	Output is correct
19	Correct	21 ms	9172 KB	Output is correct
20	Correct	21 ms	9172 KB	Output is correct
21	Correct	21 ms	9092 KB	Output is correct
22	Correct	44 ms	10884 KB	Output is correct
23	Correct	7 ms	7764 KB	Output is correct
24	Correct	14 ms	8472 KB	Output is correct
25	Correct	5 ms	7380 KB	Output is correct
26	Correct	7 ms	7744 KB	Output is correct
27	Correct	5 ms	7596 KB	Output is correct
28	Correct	86 ms	19512 KB	Output is correct
29	Correct	126 ms	23868 KB	Output is correct
30	Correct	152 ms	23444 KB	Output is correct
31	Correct	135 ms	23588 KB	Output is correct
32	Correct	115 ms	24480 KB	Output is correct
33	Correct	142 ms	23476 KB	Output is correct
34	Correct	160 ms	23660 KB	Output is correct
35	Correct	67 ms	13736 KB	Output is correct
36	Correct	132 ms	24356 KB	Output is correct

Subtask #7
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	10452 KB	Output is correct
2	Correct	22 ms	10452 KB	Output is correct
3	Correct	41 ms	13872 KB	Output is correct
4	Correct	32 ms	13012 KB	Output is correct
5	Correct	65 ms	16780 KB	Output is correct
6	Correct	66 ms	16808 KB	Output is correct
7	Correct	65 ms	16768 KB	Output is correct
8	Correct	59 ms	16772 KB	Output is correct
9	Correct	71 ms	16772 KB	Output is correct
10	Correct	58 ms	13288 KB	Output is correct
11	Correct	118 ms	19180 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	4 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	23 ms	10452 KB	Output is correct
19	Correct	23 ms	10452 KB	Output is correct
20	Correct	18 ms	10452 KB	Output is correct
21	Correct	18 ms	10452 KB	Output is correct
22	Correct	75 ms	15760 KB	Output is correct
23	Correct	120 ms	22636 KB	Output is correct
24	Correct	129 ms	23180 KB	Output is correct

Subtask #8
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	12872 KB	Output is correct
2	Correct	57 ms	13736 KB	Output is correct
3	Correct	17 ms	10452 KB	Output is correct
4	Correct	18 ms	10452 KB	Output is correct
5	Correct	155 ms	20144 KB	Output is correct
6	Correct	170 ms	22688 KB	Output is correct
7	Correct	4 ms	7380 KB	Output is correct
8	Correct	88 ms	15340 KB	Output is correct
9	Correct	104 ms	17024 KB	Output is correct
10	Correct	53 ms	12884 KB	Output is correct
11	Correct	64 ms	13816 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	4 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	17 ms	10452 KB	Output is correct
17	Correct	21 ms	10452 KB	Output is correct
18	Correct	49 ms	12916 KB	Output is correct
19	Correct	57 ms	13768 KB	Output is correct
20	Correct	55 ms	12856 KB	Output is correct
21	Correct	74 ms	13576 KB	Output is correct
22	Correct	50 ms	12992 KB	Output is correct
23	Correct	53 ms	13572 KB	Output is correct
24	Correct	17 ms	10452 KB	Output is correct
25	Correct	22 ms	10452 KB	Output is correct
26	Correct	41 ms	13872 KB	Output is correct
27	Correct	32 ms	13012 KB	Output is correct
28	Correct	65 ms	16780 KB	Output is correct
29	Correct	66 ms	16808 KB	Output is correct
30	Correct	65 ms	16768 KB	Output is correct
31	Correct	59 ms	16772 KB	Output is correct
32	Correct	5 ms	7380 KB	Output is correct
33	Correct	4 ms	7380 KB	Output is correct
34	Correct	3 ms	7380 KB	Output is correct
35	Correct	4 ms	7384 KB	Output is correct
36	Correct	4 ms	7380 KB	Output is correct
37	Correct	4 ms	7380 KB	Output is correct
38	Correct	5 ms	7380 KB	Output is correct
39	Correct	4 ms	7380 KB	Output is correct
40	Correct	4 ms	7380 KB	Output is correct
41	Correct	5 ms	7508 KB	Output is correct
42	Correct	4 ms	7380 KB	Output is correct
43	Correct	5 ms	7380 KB	Output is correct
44	Correct	4 ms	7380 KB	Output is correct
45	Correct	5 ms	7380 KB	Output is correct
46	Correct	4 ms	7380 KB	Output is correct
47	Correct	4 ms	7380 KB	Output is correct
48	Correct	26 ms	8976 KB	Output is correct
49	Correct	19 ms	9260 KB	Output is correct
50	Correct	21 ms	9172 KB	Output is correct
51	Correct	21 ms	9172 KB	Output is correct
52	Correct	21 ms	9092 KB	Output is correct
53	Correct	44 ms	10884 KB	Output is correct
54	Correct	7 ms	7764 KB	Output is correct
55	Correct	14 ms	8472 KB	Output is correct
56	Correct	5 ms	7380 KB	Output is correct
57	Correct	7 ms	7744 KB	Output is correct
58	Correct	5 ms	7596 KB	Output is correct
59	Correct	86 ms	19512 KB	Output is correct
60	Correct	126 ms	23868 KB	Output is correct
61	Correct	152 ms	23444 KB	Output is correct
62	Correct	135 ms	23588 KB	Output is correct
63	Correct	115 ms	24480 KB	Output is correct
64	Correct	142 ms	23476 KB	Output is correct
65	Correct	160 ms	23660 KB	Output is correct
66	Correct	67 ms	13736 KB	Output is correct
67	Correct	132 ms	24356 KB	Output is correct
68	Correct	71 ms	16772 KB	Output is correct
69	Correct	58 ms	13288 KB	Output is correct
70	Correct	118 ms	19180 KB	Output is correct
71	Correct	4 ms	7380 KB	Output is correct
72	Correct	4 ms	7380 KB	Output is correct
73	Correct	4 ms	7380 KB	Output is correct
74	Correct	4 ms	7380 KB	Output is correct
75	Correct	4 ms	7380 KB	Output is correct
76	Correct	4 ms	7380 KB	Output is correct
77	Correct	23 ms	10452 KB	Output is correct
78	Correct	23 ms	10452 KB	Output is correct
79	Correct	18 ms	10452 KB	Output is correct
80	Correct	18 ms	10452 KB	Output is correct
81	Correct	75 ms	15760 KB	Output is correct
82	Correct	120 ms	22636 KB	Output is correct
83	Correct	129 ms	23180 KB	Output is correct
84	Correct	150 ms	26288 KB	Output is correct
85	Correct	149 ms	25908 KB	Output is correct
86	Correct	168 ms	28924 KB	Output is correct
87	Correct	208 ms	29668 KB	Output is correct
88	Correct	4 ms	7404 KB	Output is correct
89	Correct	174 ms	29600 KB	Output is correct
90	Correct	173 ms	27724 KB	Output is correct
91	Correct	149 ms	27164 KB	Output is correct

답안 #666757

Compilation message