oj.uz

Submission #633171

# Submission time Handle Problem Language Result Execution time Memory
633171 2022-08-21T18:11:16 Z JeanBombeur Catfish Farm (IOI22_fish) C++17
100 / 100
 209 ms 43196 KB 
#include "fish.h"
#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

//  <|°_°|>

//  M. Broccoli

//  The hardest choices require the strongest wills

//  What is better - to be born good, or to overcome your evil nature with great effort ?

const int MAX_ROWS = (1e5 + 1);

vector <long long> DP_Built[MAX_ROWS];
vector <long long> DP_Free[MAX_ROWS];

vector <pair <int, long long>> CatFishs[MAX_ROWS];

long long max_weights(int nbRows, int nbCatfishs, vector <int> Col, vector <int> Row,
                      vector <int> Weight) {
    
    for (int i = 0; i < nbCatfishs; i ++)
    {
        CatFishs[Col[i] + 1].push_back({Row[i], Weight[i]});
    }
    for (int i = 0; i <= nbRows; i ++)
    {
        CatFishs[i].push_back({-1, 0});
        if (i)
            CatFishs[i].push_back({MAX_ROWS, 0});
        sort(CatFishs[i].begin(), CatFishs[i].end());
        DP_Built[i].resize(CatFishs[i].size());
        DP_Free[i].resize(CatFishs[i].size());
    }
    DP_Built[0] = {0};
    DP_Free[0] = {0};
    for (int i = 1; i <= nbRows; i ++)
    {
        long long maxiFree = - (1LL << 60);
        long long maxiBuilt = - (1LL << 60);
        int prev = 0;
        int sz = CatFishs[i - 1].size();
        int curSz = CatFishs[i].size();
        for (int fish = 0; fish < curSz - 1; fish ++)
        {
            while (prev < sz && CatFishs[i - 1][prev].first < CatFishs[i][fish + 1].first)
            {
                maxiBuilt = max(maxiBuilt, DP_Built[i - 1][prev]);
                maxiFree = max(maxiFree, DP_Free[i - 1][prev]);
                maxiFree += CatFishs[i - 1][prev ++].second;
            }
            DP_Built[i][fish] = max(maxiBuilt, maxiFree);
            DP_Free[i][fish + 1] = max(maxiBuilt, maxiFree);
        }
        maxiBuilt = - (1LL << 60);
        prev = sz - 1;
        for (int fish = curSz - 2; fish >= 0; fish --)
        {
            while (prev && CatFishs[i - 1][prev].first > CatFishs[i][fish + 1].first)
                maxiBuilt = max(maxiBuilt, DP_Built[i - 1][-- prev]);
            maxiBuilt += CatFishs[i][fish + 1].second;
            DP_Built[i][fish] = max(DP_Built[i][fish], maxiBuilt);
        }
        prev = 1;
        maxiFree = 0;
        for (int fish = 1; fish < curSz; fish ++)
        {
            maxiBuilt = - (1LL << 60);
            while (prev < sz && CatFishs[i - 1][prev + 1].first <= CatFishs[i][fish].first)
                maxiBuilt = max(maxiBuilt, DP_Built[i - 1][prev ++]);
            maxiFree += CatFishs[i][fish - 1].second;
            DP_Free[i][fish] = max(DP_Free[i][fish], maxiBuilt + maxiFree);
        }
    }
    long long ans = 0;
    for (long long a : DP_Built[nbRows])
        ans = max(ans, a);
    return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 22732 KB Output is correct
2 Correct 71 ms 25236 KB Output is correct
3 Correct 28 ms 18224 KB Output is correct
4 Correct 31 ms 18260 KB Output is correct
5 Correct 148 ms 40676 KB Output is correct
6 Correct 170 ms 43196 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 109 ms 28564 KB Output is correct
3 Correct 115 ms 32420 KB Output is correct
4 Correct 58 ms 22708 KB Output is correct
5 Correct 68 ms 25276 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7288 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 4 ms 7256 KB Output is correct
10 Correct 27 ms 18304 KB Output is correct
11 Correct 29 ms 18308 KB Output is correct
12 Correct 60 ms 22692 KB Output is correct
13 Correct 68 ms 25212 KB Output is correct
14 Correct 58 ms 22712 KB Output is correct
15 Correct 68 ms 24644 KB Output is correct
16 Correct 62 ms 22704 KB Output is correct
17 Correct 67 ms 24504 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18260 KB Output is correct
2 Correct 28 ms 18296 KB Output is correct
3 Correct 49 ms 20816 KB Output is correct
4 Correct 43 ms 20320 KB Output is correct
5 Correct 74 ms 23884 KB Output is correct
6 Correct 70 ms 24304 KB Output is correct
7 Correct 89 ms 24452 KB Output is correct
8 Correct 69 ms 24408 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7296 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 6 ms 7380 KB Output is correct
10 Correct 5 ms 7508 KB Output is correct
11 Correct 5 ms 7380 KB Output is correct
12 Correct 5 ms 7380 KB Output is correct
13 Correct 5 ms 7252 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 4 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7296 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 6 ms 7380 KB Output is correct
10 Correct 5 ms 7508 KB Output is correct
11 Correct 5 ms 7380 KB Output is correct
12 Correct 5 ms 7380 KB Output is correct
13 Correct 5 ms 7252 KB Output is correct
14 Correct 5 ms 7380 KB Output is correct
15 Correct 5 ms 7312 KB Output is correct
16 Correct 5 ms 7380 KB Output is correct
17 Correct 20 ms 10544 KB Output is correct
18 Correct 20 ms 11044 KB Output is correct
19 Correct 20 ms 11016 KB Output is correct
20 Correct 20 ms 11056 KB Output is correct
21 Correct 21 ms 11024 KB Output is correct
22 Correct 34 ms 14772 KB Output is correct
23 Correct 9 ms 7892 KB Output is correct
24 Correct 14 ms 9524 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 7 ms 7892 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 4 ms 7296 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7252 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 6 ms 7380 KB Output is correct
10 Correct 5 ms 7508 KB Output is correct
11 Correct 5 ms 7380 KB Output is correct
12 Correct 5 ms 7380 KB Output is correct
13 Correct 5 ms 7252 KB Output is correct
14 Correct 5 ms 7380 KB Output is correct
15 Correct 5 ms 7312 KB Output is correct
16 Correct 5 ms 7380 KB Output is correct
17 Correct 20 ms 10544 KB Output is correct
18 Correct 20 ms 11044 KB Output is correct
19 Correct 20 ms 11016 KB Output is correct
20 Correct 20 ms 11056 KB Output is correct
21 Correct 21 ms 11024 KB Output is correct
22 Correct 34 ms 14772 KB Output is correct
23 Correct 9 ms 7892 KB Output is correct
24 Correct 14 ms 9524 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 7 ms 7892 KB Output is correct
27 Correct 6 ms 7764 KB Output is correct
28 Correct 81 ms 24880 KB Output is correct
29 Correct 123 ms 30256 KB Output is correct
30 Correct 123 ms 29920 KB Output is correct
31 Correct 115 ms 30828 KB Output is correct
32 Correct 105 ms 32048 KB Output is correct
33 Correct 114 ms 30924 KB Output is correct
34 Correct 116 ms 30276 KB Output is correct
35 Correct 48 ms 16380 KB Output is correct
36 Correct 124 ms 30336 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18260 KB Output is correct
2 Correct 28 ms 18296 KB Output is correct
3 Correct 49 ms 20816 KB Output is correct
4 Correct 43 ms 20320 KB Output is correct
5 Correct 74 ms 23884 KB Output is correct
6 Correct 70 ms 24304 KB Output is correct
7 Correct 89 ms 24452 KB Output is correct
8 Correct 69 ms 24408 KB Output is correct
9 Correct 70 ms 24192 KB Output is correct
10 Correct 56 ms 19464 KB Output is correct
11 Correct 134 ms 32136 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7252 KB Output is correct
14 Correct 4 ms 7340 KB Output is correct
15 Correct 4 ms 7352 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 3 ms 7252 KB Output is correct
18 Correct 29 ms 18224 KB Output is correct
19 Correct 26 ms 18232 KB Output is correct
20 Correct 27 ms 18260 KB Output is correct
21 Correct 27 ms 18260 KB Output is correct
22 Correct 85 ms 25124 KB Output is correct
23 Correct 109 ms 30484 KB Output is correct
24 Correct 124 ms 31472 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 22732 KB Output is correct
2 Correct 71 ms 25236 KB Output is correct
3 Correct 28 ms 18224 KB Output is correct
4 Correct 31 ms 18260 KB Output is correct
5 Correct 148 ms 40676 KB Output is correct
6 Correct 170 ms 43196 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 109 ms 28564 KB Output is correct
9 Correct 115 ms 32420 KB Output is correct
10 Correct 58 ms 22708 KB Output is correct
11 Correct 68 ms 25276 KB Output is correct
12 Correct 4 ms 7252 KB Output is correct
13 Correct 4 ms 7288 KB Output is correct
14 Correct 4 ms 7252 KB Output is correct
15 Correct 4 ms 7256 KB Output is correct
16 Correct 27 ms 18304 KB Output is correct
17 Correct 29 ms 18308 KB Output is correct
18 Correct 60 ms 22692 KB Output is correct
19 Correct 68 ms 25212 KB Output is correct
20 Correct 58 ms 22712 KB Output is correct
21 Correct 68 ms 24644 KB Output is correct
22 Correct 62 ms 22704 KB Output is correct
23 Correct 67 ms 24504 KB Output is correct
24 Correct 29 ms 18260 KB Output is correct
25 Correct 28 ms 18296 KB Output is correct
26 Correct 49 ms 20816 KB Output is correct
27 Correct 43 ms 20320 KB Output is correct
28 Correct 74 ms 23884 KB Output is correct
29 Correct 70 ms 24304 KB Output is correct
30 Correct 89 ms 24452 KB Output is correct
31 Correct 69 ms 24408 KB Output is correct
32 Correct 4 ms 7252 KB Output is correct
33 Correct 3 ms 7252 KB Output is correct
34 Correct 4 ms 7296 KB Output is correct
35 Correct 4 ms 7252 KB Output is correct
36 Correct 4 ms 7252 KB Output is correct
37 Correct 4 ms 7252 KB Output is correct
38 Correct 4 ms 7252 KB Output is correct
39 Correct 4 ms 7252 KB Output is correct
40 Correct 6 ms 7380 KB Output is correct
41 Correct 5 ms 7508 KB Output is correct
42 Correct 5 ms 7380 KB Output is correct
43 Correct 5 ms 7380 KB Output is correct
44 Correct 5 ms 7252 KB Output is correct
45 Correct 5 ms 7380 KB Output is correct
46 Correct 5 ms 7312 KB Output is correct
47 Correct 5 ms 7380 KB Output is correct
48 Correct 20 ms 10544 KB Output is correct
49 Correct 20 ms 11044 KB Output is correct
50 Correct 20 ms 11016 KB Output is correct
51 Correct 20 ms 11056 KB Output is correct
52 Correct 21 ms 11024 KB Output is correct
53 Correct 34 ms 14772 KB Output is correct
54 Correct 9 ms 7892 KB Output is correct
55 Correct 14 ms 9524 KB Output is correct
56 Correct 4 ms 7380 KB Output is correct
57 Correct 7 ms 7892 KB Output is correct
58 Correct 6 ms 7764 KB Output is correct
59 Correct 81 ms 24880 KB Output is correct
60 Correct 123 ms 30256 KB Output is correct
61 Correct 123 ms 29920 KB Output is correct
62 Correct 115 ms 30828 KB Output is correct
63 Correct 105 ms 32048 KB Output is correct
64 Correct 114 ms 30924 KB Output is correct
65 Correct 116 ms 30276 KB Output is correct
66 Correct 48 ms 16380 KB Output is correct
67 Correct 124 ms 30336 KB Output is correct
68 Correct 70 ms 24192 KB Output is correct
69 Correct 56 ms 19464 KB Output is correct
70 Correct 134 ms 32136 KB Output is correct
71 Correct 4 ms 7252 KB Output is correct
72 Correct 4 ms 7252 KB Output is correct
73 Correct 4 ms 7340 KB Output is correct
74 Correct 4 ms 7352 KB Output is correct
75 Correct 4 ms 7252 KB Output is correct
76 Correct 3 ms 7252 KB Output is correct
77 Correct 29 ms 18224 KB Output is correct
78 Correct 26 ms 18232 KB Output is correct
79 Correct 27 ms 18260 KB Output is correct
80 Correct 27 ms 18260 KB Output is correct
81 Correct 85 ms 25124 KB Output is correct
82 Correct 109 ms 30484 KB Output is correct
83 Correct 124 ms 31472 KB Output is correct
84 Correct 154 ms 36560 KB Output is correct
85 Correct 151 ms 37444 KB Output is correct
86 Correct 163 ms 36188 KB Output is correct
87 Correct 209 ms 36736 KB Output is correct
88 Correct 4 ms 7252 KB Output is correct
89 Correct 166 ms 37488 KB Output is correct
90 Correct 155 ms 36748 KB Output is correct
91 Correct 144 ms 37264 KB Output is correct