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Submission #1055197

# Submission time Handle Problem Language Result Execution time Memory
1055197 2024-08-12T15:18:28 Z vjudge1 Catfish Farm (IOI22_fish) C++17
100 / 100
 102 ms 27368 KB 
#include "fish.h"
#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using vi = vector<int>;
using vll = vector<ll>;

struct AIB {
    int n;
    vll  V;
    AIB(int N) : n(N + 2), V(N + 2, 0) {}
    void update(int p, ll v) {
        ++p;
        while(p < n) {
            V[p] = max(V[p], v);
            p += p & -p;
        }
    }

    ll query(int p) {
        ++p;
        ll re = 0;
        if(p < 0) return 0;
        while(p) {
            re = max(re, V[p]);
            p -= p & -p;
        }
        return re;
    }
};

struct maxSuf {
    int n;
    AIB A;
    maxSuf(int N) : n(N), A(N) {}

    void update(int p, ll v) { A.update(n - p - 1, v); }

    ll query(int p) { return A.query(n - p - 1); }
};


ll max_weights(int n, int m, vi X, vi Y, vi W) {
    vll DP0(m, 0), DP1(m, 0), MaTot(n, 0), Ma0(n, 0);
    vector<vi> P(n);
    for(int i = 0; i < m; ++i) {
        P[X[i]].push_back(i);
    }

    AIB MP(n);
    maxSuf MS(n);

    for(int i = 0; i < n; ++i) {
        sort(P[i].begin(), P[i].end(), [&](auto a, auto b) { return Y[a] > Y[b]; });
        if(i > 0) {
            for(auto it : P[i]) {
                DP0[it] = (i > 1 ? MaTot[i - 2] : 0) + W[it];
                DP0[it] = max(DP0[it], W[it] + MS.query(Y[it] + 1));

                MS.update(Y[it], DP0[it]);
                MaTot[i] = max(MaTot[i], DP0[it]);
                Ma0[i] = max(Ma0[i], DP0[it]);
            }
        }
        reverse(P[i].begin(), P[i].end());
        if(i + 1 < n) {
            for(auto it : P[i]) {
                DP1[it] = max((i > 1 ? MaTot[i - 2] : 0), (i ? Ma0[i - 1] : 0)) + W[it];
                DP1[it] = max(DP1[it], W[it] + MP.query(Y[it] - 1));

                MP.update(Y[it], DP1[it]);
                MaTot[i] = max(MaTot[i], DP1[it]);
            }
        }
        if(i) {
            MaTot[i] = max(MaTot[i], MaTot[i - 1]);
            Ma0[i] = max(Ma0[i], Ma0[i - 1]);
        }
    }

    return MaTot.back();
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 10192 KB Output is correct
2 Correct 27 ms 11980 KB Output is correct
3 Correct 3 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 88 ms 25284 KB Output is correct
6 Correct 94 ms 26964 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 49 ms 15372 KB Output is correct
3 Correct 56 ms 18212 KB Output is correct
4 Correct 28 ms 10196 KB Output is correct
5 Correct 27 ms 12080 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 5724 KB Output is correct
11 Correct 2 ms 5724 KB Output is correct
12 Correct 23 ms 10356 KB Output is correct
13 Correct 35 ms 11988 KB Output is correct
14 Correct 27 ms 10392 KB Output is correct
15 Correct 26 ms 11588 KB Output is correct
16 Correct 23 ms 10456 KB Output is correct
17 Correct 25 ms 11480 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5724 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 17 ms 10028 KB Output is correct
4 Correct 12 ms 9120 KB Output is correct
5 Correct 30 ms 14532 KB Output is correct
6 Correct 31 ms 13764 KB Output is correct
7 Correct 32 ms 14420 KB Output is correct
8 Correct 29 ms 14412 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 10 ms 2500 KB Output is correct
18 Correct 9 ms 2508 KB Output is correct
19 Correct 10 ms 2396 KB Output is correct
20 Correct 11 ms 2508 KB Output is correct
21 Correct 10 ms 2396 KB Output is correct
22 Correct 20 ms 4580 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 6 ms 1628 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 860 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 10 ms 2500 KB Output is correct
18 Correct 9 ms 2508 KB Output is correct
19 Correct 10 ms 2396 KB Output is correct
20 Correct 11 ms 2508 KB Output is correct
21 Correct 10 ms 2396 KB Output is correct
22 Correct 20 ms 4580 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 6 ms 1628 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 47 ms 10396 KB Output is correct
29 Correct 73 ms 14168 KB Output is correct
30 Correct 70 ms 19540 KB Output is correct
31 Correct 68 ms 19540 KB Output is correct
32 Correct 66 ms 19536 KB Output is correct
33 Correct 69 ms 19540 KB Output is correct
34 Correct 78 ms 19676 KB Output is correct
35 Correct 25 ms 7772 KB Output is correct
36 Correct 79 ms 20052 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5724 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 17 ms 10028 KB Output is correct
4 Correct 12 ms 9120 KB Output is correct
5 Correct 30 ms 14532 KB Output is correct
6 Correct 31 ms 13764 KB Output is correct
7 Correct 32 ms 14420 KB Output is correct
8 Correct 29 ms 14412 KB Output is correct
9 Correct 29 ms 14168 KB Output is correct
10 Correct 27 ms 10328 KB Output is correct
11 Correct 54 ms 20184 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 2 ms 5724 KB Output is correct
19 Correct 2 ms 5724 KB Output is correct
20 Correct 2 ms 5724 KB Output is correct
21 Correct 2 ms 5724 KB Output is correct
22 Correct 36 ms 14020 KB Output is correct
23 Correct 64 ms 20320 KB Output is correct
24 Correct 58 ms 20648 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 10192 KB Output is correct
2 Correct 27 ms 11980 KB Output is correct
3 Correct 3 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 88 ms 25284 KB Output is correct
6 Correct 94 ms 26964 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 49 ms 15372 KB Output is correct
9 Correct 56 ms 18212 KB Output is correct
10 Correct 28 ms 10196 KB Output is correct
11 Correct 27 ms 12080 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 5724 KB Output is correct
17 Correct 2 ms 5724 KB Output is correct
18 Correct 23 ms 10356 KB Output is correct
19 Correct 35 ms 11988 KB Output is correct
20 Correct 27 ms 10392 KB Output is correct
21 Correct 26 ms 11588 KB Output is correct
22 Correct 23 ms 10456 KB Output is correct
23 Correct 25 ms 11480 KB Output is correct
24 Correct 2 ms 5724 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 17 ms 10028 KB Output is correct
27 Correct 12 ms 9120 KB Output is correct
28 Correct 30 ms 14532 KB Output is correct
29 Correct 31 ms 13764 KB Output is correct
30 Correct 32 ms 14420 KB Output is correct
31 Correct 29 ms 14412 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 10 ms 2500 KB Output is correct
49 Correct 9 ms 2508 KB Output is correct
50 Correct 10 ms 2396 KB Output is correct
51 Correct 11 ms 2508 KB Output is correct
52 Correct 10 ms 2396 KB Output is correct
53 Correct 20 ms 4580 KB Output is correct
54 Correct 3 ms 860 KB Output is correct
55 Correct 6 ms 1628 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 2 ms 860 KB Output is correct
58 Correct 1 ms 604 KB Output is correct
59 Correct 47 ms 10396 KB Output is correct
60 Correct 73 ms 14168 KB Output is correct
61 Correct 70 ms 19540 KB Output is correct
62 Correct 68 ms 19540 KB Output is correct
63 Correct 66 ms 19536 KB Output is correct
64 Correct 69 ms 19540 KB Output is correct
65 Correct 78 ms 19676 KB Output is correct
66 Correct 25 ms 7772 KB Output is correct
67 Correct 79 ms 20052 KB Output is correct
68 Correct 29 ms 14168 KB Output is correct
69 Correct 27 ms 10328 KB Output is correct
70 Correct 54 ms 20184 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 2 ms 5724 KB Output is correct
78 Correct 2 ms 5724 KB Output is correct
79 Correct 2 ms 5724 KB Output is correct
80 Correct 2 ms 5724 KB Output is correct
81 Correct 36 ms 14020 KB Output is correct
82 Correct 64 ms 20320 KB Output is correct
83 Correct 58 ms 20648 KB Output is correct
84 Correct 87 ms 24656 KB Output is correct
85 Correct 92 ms 24676 KB Output is correct
86 Correct 102 ms 26448 KB Output is correct
87 Correct 91 ms 27216 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 97 ms 27368 KB Output is correct
90 Correct 84 ms 25704 KB Output is correct
91 Correct 100 ms 25200 KB Output is correct