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Submission #627475

# Submission time Handle Problem Language Result Execution time Memory
627475 2022-08-12T15:27:29 Z imeimi2000 Catfish Farm (IOI22_fish) C++17
100 / 100
 342 ms 19380 KB 
#include "fish.h"

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int, int>;

int n;
vector<pii> P[100005];

struct segtree {
    ll seg[1 << 18];
    void init() {
        memset(seg, 0xcf, sizeof(seg));
    }
    void update(int i, int s, int e, int x, int y, ll v) {
        if (e < x || y < s) return;
        if (x <= s && e <= y) {
            seg[i] = max(seg[i], v);
            return;
        }
        int m = (s + e) / 2;
        update(i + i, s, m, x, y, v);
        update(i + i + 1, m + 1, e, x, y, v);
    }
    ll query(int i, int s, int e, int x) {
        if (s == e) return seg[i];
        int m = (s + e) / 2;
        if (x <= m) return max(seg[i], query(i + i, s, m, x));
        return max(seg[i], query(i + i + 1, m + 1, e, x));
    }
} up, dn;

ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
    n = N;
    for (int i = 0; i < M; ++i) {
        P[X[i] + 1].emplace_back(Y[i] + 1, W[i]);
    }
    ll p = 0;
    dn.init();
    for (int i = 1; i <= n; ++i) {
        ll sum = 0;
        sort(P[i].begin(), P[i].end());
        for (auto [j, v] : P[i]) {
            sum += v;
            up.update(1, 0, n + 1, j + 1, n + 1, up.query(1, 0, n + 1, j) + v);
        }
        reverse(P[i].begin(), P[i].end());
        for (auto [j, v] : P[i]) {
            dn.update(1, 0, n + 1, 0, j - 1, dn.query(1, 0, n + 1, j) + v);
        }
        ll u = up.query(1, 0, n + 1, n + 1);
        ll d = dn.query(1, 0, n + 1, 0);
        up.update(1, 0, n + 1, 0, n + 1, d);
        dn.update(1, 0, n + 1, 0, n + 1, p);
        p = max(u, d);
    }
    return dn.query(1, 0, n + 1, 0);
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 9312 KB Output is correct
2 Correct 76 ms 10020 KB Output is correct
3 Correct 11 ms 4820 KB Output is correct
4 Correct 13 ms 4692 KB Output is correct
5 Correct 236 ms 16304 KB Output is correct
6 Correct 287 ms 18172 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4692 KB Output is correct
2 Correct 122 ms 11940 KB Output is correct
3 Correct 150 ms 13188 KB Output is correct
4 Correct 62 ms 9408 KB Output is correct
5 Correct 75 ms 9972 KB Output is correct
6 Correct 2 ms 4692 KB Output is correct
7 Correct 2 ms 4692 KB Output is correct
8 Correct 2 ms 4692 KB Output is correct
9 Correct 2 ms 4692 KB Output is correct
10 Correct 11 ms 4740 KB Output is correct
11 Correct 11 ms 4692 KB Output is correct
12 Correct 61 ms 9368 KB Output is correct
13 Correct 73 ms 9920 KB Output is correct
14 Correct 78 ms 9432 KB Output is correct
15 Correct 70 ms 8820 KB Output is correct
16 Correct 63 ms 9404 KB Output is correct
17 Correct 75 ms 9788 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 4692 KB Output is correct
2 Correct 14 ms 4708 KB Output is correct
3 Correct 43 ms 7660 KB Output is correct
4 Correct 33 ms 7112 KB Output is correct
5 Correct 66 ms 10316 KB Output is correct
6 Correct 69 ms 11060 KB Output is correct
7 Correct 68 ms 11132 KB Output is correct
8 Correct 89 ms 11136 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4692 KB Output is correct
2 Correct 2 ms 4692 KB Output is correct
3 Correct 2 ms 4692 KB Output is correct
4 Correct 2 ms 4692 KB Output is correct
5 Correct 2 ms 4692 KB Output is correct
6 Correct 3 ms 4712 KB Output is correct
7 Correct 3 ms 4712 KB Output is correct
8 Correct 2 ms 4692 KB Output is correct
9 Correct 2 ms 4692 KB Output is correct
10 Correct 4 ms 4852 KB Output is correct
11 Correct 3 ms 4692 KB Output is correct
12 Correct 3 ms 4740 KB Output is correct
13 Correct 3 ms 4692 KB Output is correct
14 Correct 4 ms 4692 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4692 KB Output is correct
2 Correct 2 ms 4692 KB Output is correct
3 Correct 2 ms 4692 KB Output is correct
4 Correct 2 ms 4692 KB Output is correct
5 Correct 2 ms 4692 KB Output is correct
6 Correct 3 ms 4712 KB Output is correct
7 Correct 3 ms 4712 KB Output is correct
8 Correct 2 ms 4692 KB Output is correct
9 Correct 2 ms 4692 KB Output is correct
10 Correct 4 ms 4852 KB Output is correct
11 Correct 3 ms 4692 KB Output is correct
12 Correct 3 ms 4740 KB Output is correct
13 Correct 3 ms 4692 KB Output is correct
14 Correct 4 ms 4692 KB Output is correct
15 Correct 3 ms 4692 KB Output is correct
16 Correct 3 ms 4820 KB Output is correct
17 Correct 23 ms 7020 KB Output is correct
18 Correct 23 ms 7252 KB Output is correct
19 Correct 23 ms 7124 KB Output is correct
20 Correct 22 ms 7140 KB Output is correct
21 Correct 28 ms 7208 KB Output is correct
22 Correct 43 ms 9064 KB Output is correct
23 Correct 7 ms 5184 KB Output is correct
24 Correct 17 ms 6228 KB Output is correct
25 Correct 3 ms 4692 KB Output is correct
26 Correct 7 ms 5108 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4692 KB Output is correct
2 Correct 2 ms 4692 KB Output is correct
3 Correct 2 ms 4692 KB Output is correct
4 Correct 2 ms 4692 KB Output is correct
5 Correct 2 ms 4692 KB Output is correct
6 Correct 3 ms 4712 KB Output is correct
7 Correct 3 ms 4712 KB Output is correct
8 Correct 2 ms 4692 KB Output is correct
9 Correct 2 ms 4692 KB Output is correct
10 Correct 4 ms 4852 KB Output is correct
11 Correct 3 ms 4692 KB Output is correct
12 Correct 3 ms 4740 KB Output is correct
13 Correct 3 ms 4692 KB Output is correct
14 Correct 4 ms 4692 KB Output is correct
15 Correct 3 ms 4692 KB Output is correct
16 Correct 3 ms 4820 KB Output is correct
17 Correct 23 ms 7020 KB Output is correct
18 Correct 23 ms 7252 KB Output is correct
19 Correct 23 ms 7124 KB Output is correct
20 Correct 22 ms 7140 KB Output is correct
21 Correct 28 ms 7208 KB Output is correct
22 Correct 43 ms 9064 KB Output is correct
23 Correct 7 ms 5184 KB Output is correct
24 Correct 17 ms 6228 KB Output is correct
25 Correct 3 ms 4692 KB Output is correct
26 Correct 7 ms 5108 KB Output is correct
27 Correct 4 ms 4948 KB Output is correct
28 Correct 112 ms 13744 KB Output is correct
29 Correct 184 ms 16460 KB Output is correct
30 Correct 187 ms 16064 KB Output is correct
31 Correct 180 ms 15920 KB Output is correct
32 Correct 174 ms 17440 KB Output is correct
33 Correct 190 ms 15956 KB Output is correct
34 Correct 192 ms 15864 KB Output is correct
35 Correct 67 ms 9744 KB Output is correct
36 Correct 185 ms 16860 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 4692 KB Output is correct
2 Correct 14 ms 4708 KB Output is correct
3 Correct 43 ms 7660 KB Output is correct
4 Correct 33 ms 7112 KB Output is correct
5 Correct 66 ms 10316 KB Output is correct
6 Correct 69 ms 11060 KB Output is correct
7 Correct 68 ms 11132 KB Output is correct
8 Correct 89 ms 11136 KB Output is correct
9 Correct 87 ms 13092 KB Output is correct
10 Correct 77 ms 9468 KB Output is correct
11 Correct 126 ms 13276 KB Output is correct
12 Correct 2 ms 4692 KB Output is correct
13 Correct 2 ms 4692 KB Output is correct
14 Correct 2 ms 4692 KB Output is correct
15 Correct 2 ms 4692 KB Output is correct
16 Correct 2 ms 4692 KB Output is correct
17 Correct 2 ms 4692 KB Output is correct
18 Correct 10 ms 4692 KB Output is correct
19 Correct 10 ms 4712 KB Output is correct
20 Correct 9 ms 4692 KB Output is correct
21 Correct 10 ms 4708 KB Output is correct
22 Correct 123 ms 11396 KB Output is correct
23 Correct 135 ms 12884 KB Output is correct
24 Correct 144 ms 13444 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 9312 KB Output is correct
2 Correct 76 ms 10020 KB Output is correct
3 Correct 11 ms 4820 KB Output is correct
4 Correct 13 ms 4692 KB Output is correct
5 Correct 236 ms 16304 KB Output is correct
6 Correct 287 ms 18172 KB Output is correct
7 Correct 3 ms 4692 KB Output is correct
8 Correct 122 ms 11940 KB Output is correct
9 Correct 150 ms 13188 KB Output is correct
10 Correct 62 ms 9408 KB Output is correct
11 Correct 75 ms 9972 KB Output is correct
12 Correct 2 ms 4692 KB Output is correct
13 Correct 2 ms 4692 KB Output is correct
14 Correct 2 ms 4692 KB Output is correct
15 Correct 2 ms 4692 KB Output is correct
16 Correct 11 ms 4740 KB Output is correct
17 Correct 11 ms 4692 KB Output is correct
18 Correct 61 ms 9368 KB Output is correct
19 Correct 73 ms 9920 KB Output is correct
20 Correct 78 ms 9432 KB Output is correct
21 Correct 70 ms 8820 KB Output is correct
22 Correct 63 ms 9404 KB Output is correct
23 Correct 75 ms 9788 KB Output is correct
24 Correct 10 ms 4692 KB Output is correct
25 Correct 14 ms 4708 KB Output is correct
26 Correct 43 ms 7660 KB Output is correct
27 Correct 33 ms 7112 KB Output is correct
28 Correct 66 ms 10316 KB Output is correct
29 Correct 69 ms 11060 KB Output is correct
30 Correct 68 ms 11132 KB Output is correct
31 Correct 89 ms 11136 KB Output is correct
32 Correct 2 ms 4692 KB Output is correct
33 Correct 2 ms 4692 KB Output is correct
34 Correct 2 ms 4692 KB Output is correct
35 Correct 2 ms 4692 KB Output is correct
36 Correct 2 ms 4692 KB Output is correct
37 Correct 3 ms 4712 KB Output is correct
38 Correct 3 ms 4712 KB Output is correct
39 Correct 2 ms 4692 KB Output is correct
40 Correct 2 ms 4692 KB Output is correct
41 Correct 4 ms 4852 KB Output is correct
42 Correct 3 ms 4692 KB Output is correct
43 Correct 3 ms 4740 KB Output is correct
44 Correct 3 ms 4692 KB Output is correct
45 Correct 4 ms 4692 KB Output is correct
46 Correct 3 ms 4692 KB Output is correct
47 Correct 3 ms 4820 KB Output is correct
48 Correct 23 ms 7020 KB Output is correct
49 Correct 23 ms 7252 KB Output is correct
50 Correct 23 ms 7124 KB Output is correct
51 Correct 22 ms 7140 KB Output is correct
52 Correct 28 ms 7208 KB Output is correct
53 Correct 43 ms 9064 KB Output is correct
54 Correct 7 ms 5184 KB Output is correct
55 Correct 17 ms 6228 KB Output is correct
56 Correct 3 ms 4692 KB Output is correct
57 Correct 7 ms 5108 KB Output is correct
58 Correct 4 ms 4948 KB Output is correct
59 Correct 112 ms 13744 KB Output is correct
60 Correct 184 ms 16460 KB Output is correct
61 Correct 187 ms 16064 KB Output is correct
62 Correct 180 ms 15920 KB Output is correct
63 Correct 174 ms 17440 KB Output is correct
64 Correct 190 ms 15956 KB Output is correct
65 Correct 192 ms 15864 KB Output is correct
66 Correct 67 ms 9744 KB Output is correct
67 Correct 185 ms 16860 KB Output is correct
68 Correct 87 ms 13092 KB Output is correct
69 Correct 77 ms 9468 KB Output is correct
70 Correct 126 ms 13276 KB Output is correct
71 Correct 2 ms 4692 KB Output is correct
72 Correct 2 ms 4692 KB Output is correct
73 Correct 2 ms 4692 KB Output is correct
74 Correct 2 ms 4692 KB Output is correct
75 Correct 2 ms 4692 KB Output is correct
76 Correct 2 ms 4692 KB Output is correct
77 Correct 10 ms 4692 KB Output is correct
78 Correct 10 ms 4712 KB Output is correct
79 Correct 9 ms 4692 KB Output is correct
80 Correct 10 ms 4708 KB Output is correct
81 Correct 123 ms 11396 KB Output is correct
82 Correct 135 ms 12884 KB Output is correct
83 Correct 144 ms 13444 KB Output is correct
84 Correct 236 ms 17584 KB Output is correct
85 Correct 221 ms 17408 KB Output is correct
86 Correct 297 ms 19316 KB Output is correct
87 Correct 285 ms 19132 KB Output is correct
88 Correct 3 ms 4692 KB Output is correct
89 Correct 342 ms 19380 KB Output is correct
90 Correct 193 ms 16600 KB Output is correct
91 Correct 199 ms 16248 KB Output is correct