oj.uz

Submission #666757

# Submission time Handle Problem Language Result Execution time Memory
666757 2022-11-29T14:42:14 Z flappybird Catfish Farm (IOI22_fish) C++17
100 / 100
 208 ms 29668 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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