oj.uz

Submission #732641

# Submission time Handle Problem Language Result Execution time Memory
732641 2023-04-29T07:07:06 Z math_rabbit_1028 Catfish Farm (IOI22_fish) C++17
53 / 100
 600 ms 83984 KB 
#include "fish.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;

long long zero[101010], full[101010];
vector< pair<int, long long> > ylist[101010];
vector< long long > sum[101010], dp[2][101010];

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    for (int i = 0; i < M; i++) {
        X[i] += 1;
        Y[i] += 1;
        ylist[X[i]].push_back({Y[i], 0});
        ylist[X[i] - 1].push_back({Y[i], 0});
        ylist[X[i] + 1].push_back({Y[i], 0});
    }

    for (int i = 0; i <= N + 1; i++) {
        ylist[i].push_back({0, 0});
        ylist[i].push_back({N, 0});
        sort(ylist[i].begin(), ylist[i].end());
        ylist[i].erase(unique(ylist[i].begin(), ylist[i].end()), ylist[i].end());
    }

    for (int i = 0; i < M; i++) {
        int idx = lower_bound(ylist[X[i]].begin(), ylist[X[i]].end(), make_pair(Y[i], 0LL)) - ylist[X[i]].begin();
        ylist[X[i]][idx].second = W[i];
    }

    for (int i = 0; i <= N + 1; i++) {
        sum[i].push_back(0);
        for (int j = 1; j < ylist[i].size(); j++) {
            sum[i].push_back(sum[i].back() + ylist[i][j].second);
        }
    }

    for (int i = 0; i <= N + 1; i++) {
        for (int j = 0; j < ylist[i].size(); j++) dp[0][i].push_back(0);
        for (int j = 0; j < ylist[i].size(); j++) dp[1][i].push_back(0);
    }
    for (int j = 1; j < ylist[0].size() - 1; j++) dp[0][0][j] = -1e18;
    for (int j = 1; j < ylist[0].size() - 1; j++) dp[1][0][j] = -1e18;
    full[0] = -1e18;
    for (int i = 2; i <= N + 1; i++) {
        vector<int> all;
        for (int t = 0; t < ylist[i - 2].size(); t++) all.push_back(ylist[i - 2][t].first);
        for (int t = 0; t < ylist[i - 1].size(); t++) all.push_back(ylist[i - 1][t].first);
        for (int t = 0; t < ylist[i].size(); t++) all.push_back(ylist[i][t].first);
        sort(all.begin(), all.end());
        all.erase(unique(all.begin(), all.end()), all.end());

        int j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            zero[i] = max(zero[i], dp[1][i - 1][k] + sum[i][j]);
        }
        zero[i] = max(zero[i], zero[i - 1]);
        zero[i] = max(zero[i], full[i - 1] + sum[i][ylist[i].size() - 1]);

        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            full[i] = max(full[i], dp[0][i - 1][k] + sum[i - 1][ylist[i - 1].size() - 1] - sum[i - 1][k]);
        }
        full[i] = max(full[i], full[i - 1]);
        full[i] = max(full[i], zero[i - 2] + sum[i - 1][ylist[i - 1].size() - 1]);
        full[i] = max(full[i], full[i - 2] + sum[i - 1][ylist[i - 1].size() - 1]);
        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            full[i] = max(full[i], dp[1][i - 2][l] + sum[i - 1][ylist[i - 1].size() - 1]);
        }

        long long val0 = 0, val1 = 0;
        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            val0 = max(val0, dp[0][i - 1][k] - sum[i - 1][k]);
            val1 = max(val1, dp[1][i - 1][k] + sum[i][j]);
        }
        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            dp[0][i][j] = max(dp[0][i][j], val0 + sum[i - 1][k]);
            dp[1][i][j] = max(dp[1][i][j], val1 - sum[i][j]);
            dp[1][i][j] = max(dp[1][i][j], full[i - 1] + sum[i][ylist[i].size() - 1] - sum[i][j]);
            dp[0][i][j] = max(dp[0][i][j], zero[i - 2] + sum[i - 1][k]);
            dp[0][i][j] = max(dp[0][i][j], full[i - 2] + sum[i - 1][ylist[i - 1].size() - 1]);
        }
        long long val2 = 0;
        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            val2 = max(val2, dp[1][i - 2][l]);
            dp[0][i][j] = max(dp[0][i][j], val2 + sum[i - 1][k]);
        }
        long long val3 = 0;
        j = 0, k = 0, l = 0;
        for (int t = 1; t < all.size() - 1; t++) {
            while (ylist[i][j] < make_pair(all[t], 0LL)) j++;
            while (ylist[i - 1][k] < make_pair(all[t], 0LL)) k++;
            while (ylist[i - 2][l] < make_pair(all[t], 0LL)) l++;
            val3 = max(val3, dp[1][i - 2][l] + sum[i - 1][k]);
            dp[0][i][j] = max(dp[0][i][j], val3);
        }
    }
    long long res = 0;
    res = zero[N + 1];
    return res;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for (int j = 1; j < ylist[i].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~~~
fish.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int j = 0; j < ylist[i].size(); j++) dp[0][i].push_back(0);
      |                         ~~^~~~~~~~~~~~~~~~~
fish.cpp:40:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         for (int j = 0; j < ylist[i].size(); j++) dp[1][i].push_back(0);
      |                         ~~^~~~~~~~~~~~~~~~~
fish.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for (int j = 1; j < ylist[0].size() - 1; j++) dp[0][0][j] = -1e18;
      |                     ~~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int j = 1; j < ylist[0].size() - 1; j++) dp[1][0][j] = -1e18;
      |                     ~~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         for (int t = 0; t < ylist[i - 2].size(); t++) all.push_back(ylist[i - 2][t].first);
      |                         ~~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:48:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         for (int t = 0; t < ylist[i - 1].size(); t++) all.push_back(ylist[i - 1][t].first);
      |                         ~~^~~~~~~~~~~~~~~~~~~~~
fish.cpp:49:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for (int t = 0; t < ylist[i].size(); t++) all.push_back(ylist[i][t].first);
      |                         ~~^~~~~~~~~~~~~~~~~
fish.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:64:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:74:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:83:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:91:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:103:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~
fish.cpp:112:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |         for (int t = 1; t < all.size() - 1; t++) {
      |                         ~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 36064 KB Output is correct
2 Correct 172 ms 41368 KB Output is correct
3 Correct 56 ms 25420 KB Output is correct
4 Correct 54 ms 25344 KB Output is correct
5 Correct 500 ms 71436 KB Output is correct
6 Correct 600 ms 83984 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 217 ms 45376 KB Output is correct
3 Correct 254 ms 50744 KB Output is correct
4 Correct 162 ms 36064 KB Output is correct
5 Correct 172 ms 41376 KB Output is correct
6 Correct 5 ms 9704 KB Output is correct
7 Correct 7 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 6 ms 9684 KB Output is correct
10 Correct 70 ms 25368 KB Output is correct
11 Correct 57 ms 25420 KB Output is correct
12 Correct 170 ms 36144 KB Output is correct
13 Correct 204 ms 41376 KB Output is correct
14 Correct 155 ms 36688 KB Output is correct
15 Correct 158 ms 37204 KB Output is correct
16 Correct 151 ms 36668 KB Output is correct
17 Correct 176 ms 38936 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 25316 KB Output is correct
2 Correct 51 ms 25408 KB Output is correct
3 Correct 115 ms 32636 KB Output is correct
4 Correct 93 ms 31784 KB Output is correct
5 Correct 161 ms 42332 KB Output is correct
6 Correct 162 ms 42196 KB Output is correct
7 Correct 167 ms 42252 KB Output is correct
8 Correct 178 ms 42272 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9696 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9684 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 6 ms 9812 KB Output is correct
10 Correct 7 ms 10068 KB Output is correct
11 Correct 6 ms 9940 KB Output is correct
12 Correct 6 ms 10036 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 7 ms 9972 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9696 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9684 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 6 ms 9812 KB Output is correct
10 Correct 7 ms 10068 KB Output is correct
11 Correct 6 ms 9940 KB Output is correct
12 Correct 6 ms 10036 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 7 ms 9972 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 7 ms 10068 KB Output is correct
17 Correct 46 ms 16332 KB Output is correct
18 Correct 40 ms 15672 KB Output is correct
19 Correct 38 ms 15580 KB Output is correct
20 Correct 34 ms 15212 KB Output is correct
21 Correct 33 ms 15196 KB Output is correct
22 Correct 64 ms 20552 KB Output is correct
23 Correct 17 ms 11560 KB Output is correct
24 Correct 37 ms 14820 KB Output is correct
25 Correct 7 ms 9940 KB Output is correct
26 Correct 15 ms 11348 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9696 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9684 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 6 ms 9812 KB Output is correct
10 Correct 7 ms 10068 KB Output is correct
11 Correct 6 ms 9940 KB Output is correct
12 Correct 6 ms 10036 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 7 ms 9972 KB Output is correct
15 Correct 6 ms 9812 KB Output is correct
16 Correct 7 ms 10068 KB Output is correct
17 Correct 46 ms 16332 KB Output is correct
18 Correct 40 ms 15672 KB Output is correct
19 Correct 38 ms 15580 KB Output is correct
20 Correct 34 ms 15212 KB Output is correct
21 Correct 33 ms 15196 KB Output is correct
22 Correct 64 ms 20552 KB Output is correct
23 Correct 17 ms 11560 KB Output is correct
24 Correct 37 ms 14820 KB Output is correct
25 Correct 7 ms 9940 KB Output is correct
26 Correct 15 ms 11348 KB Output is correct
27 Correct 10 ms 10960 KB Output is correct
28 Correct 169 ms 35628 KB Output is correct
29 Correct 297 ms 48044 KB Output is correct
30 Incorrect 404 ms 77300 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102440153599307'
31 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 25316 KB Output is correct
2 Correct 51 ms 25408 KB Output is correct
3 Correct 115 ms 32636 KB Output is correct
4 Correct 93 ms 31784 KB Output is correct
5 Correct 161 ms 42332 KB Output is correct
6 Correct 162 ms 42196 KB Output is correct
7 Correct 167 ms 42252 KB Output is correct
8 Correct 178 ms 42272 KB Output is correct
9 Correct 235 ms 51936 KB Output is correct
10 Correct 113 ms 27228 KB Output is correct
11 Correct 246 ms 44748 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 6 ms 9684 KB Output is correct
15 Correct 6 ms 9796 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 53 ms 25420 KB Output is correct
19 Correct 57 ms 25412 KB Output is correct
20 Correct 54 ms 25408 KB Output is correct
21 Correct 56 ms 25432 KB Output is correct
22 Correct 302 ms 45192 KB Output is correct
23 Incorrect 334 ms 53700 KB 1st lines differ - on the 1st token, expected: '77772396150817', found: '77782926777237'
24 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 36064 KB Output is correct
2 Correct 172 ms 41368 KB Output is correct
3 Correct 56 ms 25420 KB Output is correct
4 Correct 54 ms 25344 KB Output is correct
5 Correct 500 ms 71436 KB Output is correct
6 Correct 600 ms 83984 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 217 ms 45376 KB Output is correct
9 Correct 254 ms 50744 KB Output is correct
10 Correct 162 ms 36064 KB Output is correct
11 Correct 172 ms 41376 KB Output is correct
12 Correct 5 ms 9704 KB Output is correct
13 Correct 7 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 6 ms 9684 KB Output is correct
16 Correct 70 ms 25368 KB Output is correct
17 Correct 57 ms 25420 KB Output is correct
18 Correct 170 ms 36144 KB Output is correct
19 Correct 204 ms 41376 KB Output is correct
20 Correct 155 ms 36688 KB Output is correct
21 Correct 158 ms 37204 KB Output is correct
22 Correct 151 ms 36668 KB Output is correct
23 Correct 176 ms 38936 KB Output is correct
24 Correct 53 ms 25316 KB Output is correct
25 Correct 51 ms 25408 KB Output is correct
26 Correct 115 ms 32636 KB Output is correct
27 Correct 93 ms 31784 KB Output is correct
28 Correct 161 ms 42332 KB Output is correct
29 Correct 162 ms 42196 KB Output is correct
30 Correct 167 ms 42252 KB Output is correct
31 Correct 178 ms 42272 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9696 KB Output is correct
37 Correct 6 ms 9684 KB Output is correct
38 Correct 7 ms 9684 KB Output is correct
39 Correct 6 ms 9684 KB Output is correct
40 Correct 6 ms 9812 KB Output is correct
41 Correct 7 ms 10068 KB Output is correct
42 Correct 6 ms 9940 KB Output is correct
43 Correct 6 ms 10036 KB Output is correct
44 Correct 5 ms 9812 KB Output is correct
45 Correct 7 ms 9972 KB Output is correct
46 Correct 6 ms 9812 KB Output is correct
47 Correct 7 ms 10068 KB Output is correct
48 Correct 46 ms 16332 KB Output is correct
49 Correct 40 ms 15672 KB Output is correct
50 Correct 38 ms 15580 KB Output is correct
51 Correct 34 ms 15212 KB Output is correct
52 Correct 33 ms 15196 KB Output is correct
53 Correct 64 ms 20552 KB Output is correct
54 Correct 17 ms 11560 KB Output is correct
55 Correct 37 ms 14820 KB Output is correct
56 Correct 7 ms 9940 KB Output is correct
57 Correct 15 ms 11348 KB Output is correct
58 Correct 10 ms 10960 KB Output is correct
59 Correct 169 ms 35628 KB Output is correct
60 Correct 297 ms 48044 KB Output is correct
61 Incorrect 404 ms 77300 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102440153599307'
62 Halted 0 ms 0 KB -