oj.uz

Submission #732701

# Submission time Handle Problem Language Result Execution time Memory
732701 2023-04-29T07:38:18 Z math_rabbit_1028 Catfish Farm (IOI22_fish) C++17
53 / 100
 605 ms 83808 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 = ylist[i].size() - 1, k = ylist[i - 1].size() - 1, l = ylist[i - 2].size() - 2;
        for (int t = all.size() - 2; t >= 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++) {
      |                         ~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 36128 KB Output is correct
2 Correct 181 ms 41400 KB Output is correct
3 Correct 62 ms 25412 KB Output is correct
4 Correct 59 ms 25408 KB Output is correct
5 Correct 579 ms 71532 KB Output is correct
6 Correct 605 ms 83808 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 251 ms 45288 KB Output is correct
3 Correct 274 ms 50788 KB Output is correct
4 Correct 143 ms 36132 KB Output is correct
5 Correct 181 ms 41492 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 6 ms 9684 KB Output is correct
9 Correct 6 ms 9716 KB Output is correct
10 Correct 59 ms 25340 KB Output is correct
11 Correct 56 ms 25420 KB Output is correct
12 Correct 158 ms 36136 KB Output is correct
13 Correct 214 ms 41492 KB Output is correct
14 Correct 153 ms 36636 KB Output is correct
15 Correct 148 ms 37212 KB Output is correct
16 Correct 163 ms 36804 KB Output is correct
17 Correct 188 ms 38856 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 25332 KB Output is correct
2 Correct 54 ms 25384 KB Output is correct
3 Correct 123 ms 32588 KB Output is correct
4 Correct 97 ms 31820 KB Output is correct
5 Correct 170 ms 42336 KB Output is correct
6 Correct 159 ms 42220 KB Output is correct
7 Correct 187 ms 42320 KB Output is correct
8 Correct 178 ms 42316 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 6 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 6 ms 9728 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 8 ms 9940 KB Output is correct
10 Correct 10 ms 10068 KB Output is correct
11 Correct 9 ms 9836 KB Output is correct
12 Correct 7 ms 9920 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 6 ms 9940 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 6 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 6 ms 9728 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 8 ms 9940 KB Output is correct
10 Correct 10 ms 10068 KB Output is correct
11 Correct 9 ms 9836 KB Output is correct
12 Correct 7 ms 9920 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 6 ms 9940 KB Output is correct
15 Correct 5 ms 9812 KB Output is correct
16 Correct 7 ms 10068 KB Output is correct
17 Correct 41 ms 16324 KB Output is correct
18 Correct 42 ms 15696 KB Output is correct
19 Correct 41 ms 15484 KB Output is correct
20 Correct 36 ms 15260 KB Output is correct
21 Correct 40 ms 15192 KB Output is correct
22 Correct 71 ms 20404 KB Output is correct
23 Correct 16 ms 11560 KB Output is correct
24 Correct 35 ms 14820 KB Output is correct
25 Correct 9 ms 9940 KB Output is correct
26 Correct 14 ms 11348 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 6 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 6 ms 9728 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 8 ms 9940 KB Output is correct
10 Correct 10 ms 10068 KB Output is correct
11 Correct 9 ms 9836 KB Output is correct
12 Correct 7 ms 9920 KB Output is correct
13 Correct 5 ms 9812 KB Output is correct
14 Correct 6 ms 9940 KB Output is correct
15 Correct 5 ms 9812 KB Output is correct
16 Correct 7 ms 10068 KB Output is correct
17 Correct 41 ms 16324 KB Output is correct
18 Correct 42 ms 15696 KB Output is correct
19 Correct 41 ms 15484 KB Output is correct
20 Correct 36 ms 15260 KB Output is correct
21 Correct 40 ms 15192 KB Output is correct
22 Correct 71 ms 20404 KB Output is correct
23 Correct 16 ms 11560 KB Output is correct
24 Correct 35 ms 14820 KB Output is correct
25 Correct 9 ms 9940 KB Output is correct
26 Correct 14 ms 11348 KB Output is correct
27 Correct 10 ms 10964 KB Output is correct
28 Correct 174 ms 35564 KB Output is correct
29 Correct 307 ms 48048 KB Output is correct
30 Incorrect 426 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 54 ms 25332 KB Output is correct
2 Correct 54 ms 25384 KB Output is correct
3 Correct 123 ms 32588 KB Output is correct
4 Correct 97 ms 31820 KB Output is correct
5 Correct 170 ms 42336 KB Output is correct
6 Correct 159 ms 42220 KB Output is correct
7 Correct 187 ms 42320 KB Output is correct
8 Correct 178 ms 42316 KB Output is correct
9 Correct 217 ms 51956 KB Output is correct
10 Correct 138 ms 27228 KB Output is correct
11 Correct 251 ms 44768 KB Output is correct
12 Correct 6 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 7 ms 9684 KB Output is correct
16 Correct 5 ms 9792 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 55 ms 25372 KB Output is correct
19 Correct 54 ms 25408 KB Output is correct
20 Correct 54 ms 25420 KB Output is correct
21 Correct 62 ms 25324 KB Output is correct
22 Correct 279 ms 45260 KB Output is correct
23 Incorrect 327 ms 53708 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 148 ms 36128 KB Output is correct
2 Correct 181 ms 41400 KB Output is correct
3 Correct 62 ms 25412 KB Output is correct
4 Correct 59 ms 25408 KB Output is correct
5 Correct 579 ms 71532 KB Output is correct
6 Correct 605 ms 83808 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 251 ms 45288 KB Output is correct
9 Correct 274 ms 50788 KB Output is correct
10 Correct 143 ms 36132 KB Output is correct
11 Correct 181 ms 41492 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 6 ms 9684 KB Output is correct
15 Correct 6 ms 9716 KB Output is correct
16 Correct 59 ms 25340 KB Output is correct
17 Correct 56 ms 25420 KB Output is correct
18 Correct 158 ms 36136 KB Output is correct
19 Correct 214 ms 41492 KB Output is correct
20 Correct 153 ms 36636 KB Output is correct
21 Correct 148 ms 37212 KB Output is correct
22 Correct 163 ms 36804 KB Output is correct
23 Correct 188 ms 38856 KB Output is correct
24 Correct 54 ms 25332 KB Output is correct
25 Correct 54 ms 25384 KB Output is correct
26 Correct 123 ms 32588 KB Output is correct
27 Correct 97 ms 31820 KB Output is correct
28 Correct 170 ms 42336 KB Output is correct
29 Correct 159 ms 42220 KB Output is correct
30 Correct 187 ms 42320 KB Output is correct
31 Correct 178 ms 42316 KB Output is correct
32 Correct 6 ms 9684 KB Output is correct
33 Correct 6 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 6 ms 9728 KB Output is correct
37 Correct 6 ms 9684 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 8 ms 9940 KB Output is correct
41 Correct 10 ms 10068 KB Output is correct
42 Correct 9 ms 9836 KB Output is correct
43 Correct 7 ms 9920 KB Output is correct
44 Correct 5 ms 9812 KB Output is correct
45 Correct 6 ms 9940 KB Output is correct
46 Correct 5 ms 9812 KB Output is correct
47 Correct 7 ms 10068 KB Output is correct
48 Correct 41 ms 16324 KB Output is correct
49 Correct 42 ms 15696 KB Output is correct
50 Correct 41 ms 15484 KB Output is correct
51 Correct 36 ms 15260 KB Output is correct
52 Correct 40 ms 15192 KB Output is correct
53 Correct 71 ms 20404 KB Output is correct
54 Correct 16 ms 11560 KB Output is correct
55 Correct 35 ms 14820 KB Output is correct
56 Correct 9 ms 9940 KB Output is correct
57 Correct 14 ms 11348 KB Output is correct
58 Correct 10 ms 10964 KB Output is correct
59 Correct 174 ms 35564 KB Output is correct
60 Correct 307 ms 48048 KB Output is correct
61 Incorrect 426 ms 77300 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102440153599307'
62 Halted 0 ms 0 KB -