oj.uz

Submission #632694

# Submission time Handle Problem Language Result Execution time Memory
632694 2022-08-20T15:58:05 Z Olympia Catfish Farm (IOI22_fish) C++17
44 / 100
 1000 ms 2097152 KB 
#include <bits/stdc++.h>
//#include <fish.h>
using namespace std;
int64_t max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
    for (int i = 0; i < X.size(); i++) {
        X[i]++;
    }
    int my = 0;
    for (int y: Y) {
        my = max(my, y);
    }
    my ++;
    vector<pair<int,int64_t> > vec[N + 10];
    map<int,int64_t> s[N + 10];
    for (int i = 0; i < X.size(); i++) {
        vec[X[i]].push_back(make_pair(Y[i], W[i]));
        s[X[i]][Y[i]] = W[i];
    }
    int64_t pref[N + 10][my + 2];
    for (int i = 0; i <= N + 9; i++) {
        pref[i][0] = 0;
        for (int j = 1; j <= my + 1; j++) {
            pref[i][j] = pref[i][j - 1] + s[i][j - 1];
        }
    }
    int64_t dp[N + 1][my + 1][3];
    for (int i = 0; i <= N; i++) {
        for (int j = 0; j <= my; j++) {
            for (int d = 0; d < 3; d++) {
                dp[i][j][d] = -1e17;
            }
        }
    }
    dp[0][0][0] = 0;
    //0 --> stagnant
    //1 --> increasing
    //2 --> decreasing
    for (int i = 1; i <= N; i++) {
        for (int p = 0; p <= my; p++) {
            dp[i][0][0] = max(dp[i][0][0], dp[i - 1][p][0]);
        }
        int64_t myMax1 = -1e17;
        int64_t myMax2 = dp[i - 1][0][0] - pref[i - 1][0];
        for (int cur = 1; cur <= my; cur++) {
            dp[i][cur][0] = max(dp[i][cur][0], max(dp[i - 1][cur][1], dp[i - 1][cur][2]));
            myMax1 = max(myMax1, dp[i - 1][cur][1] - pref[i][cur] - pref[i - 1][cur]);
            dp[i][cur][1] = max(dp[i][cur][1], myMax1 + pref[i + 1][cur] + pref[i - 1][cur]);
            for (int d = 1; d <= 2; d++) {
                myMax2 = max(myMax2, dp[i - 1][cur][0] - pref[i - 1][cur]);
                dp[i][cur][d] = max(dp[i][cur][d], myMax2 + pref[i - 1][cur] + pref[i + 1][cur]);
            }
        }
        int64_t myMax3 = -1e17, myMax4 = -1e17;
        for (int cur = my; cur >= 1; cur--) {
            myMax4 = max(myMax4, dp[i - 1][cur][2]);
            dp[i][cur][2] = max(dp[i][cur][2], myMax4 - pref[i][cur] + pref[i + 1][cur]);
            for (int d = 1; d <= 2; d++) {
                myMax3 = max(myMax3, dp[i - 1][cur][0]);
                dp[i][cur][d] = max(dp[i][cur][d], myMax3 + pref[i + 1][cur]);
            }
        }
    }
    int64_t myMax = 0;
    for (int i = 0; i <= N; i++) {
        for (int j = 0; j <= my; j++) {
            for (int d = 0; d <= 2; d++) {
                myMax = max(myMax, dp[i][j][d]);
            }
        }
    }
    return myMax;
}

Compilation message

fish.cpp: In function 'int64_t max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:5:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |     for (int i = 0; i < X.size(); i++) {
      |                     ~~^~~~~~~~~~
fish.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < X.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 773 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Runtime error 857 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 26832 KB Output is correct
2 Correct 27 ms 26908 KB Output is correct
3 Correct 72 ms 27772 KB Output is correct
4 Correct 50 ms 28976 KB Output is correct
5 Correct 107 ms 32352 KB Output is correct
6 Correct 102 ms 33032 KB Output is correct
7 Correct 107 ms 33648 KB Output is correct
8 Correct 117 ms 33616 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 216 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 216 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 14 ms 8916 KB Output is correct
16 Correct 2 ms 980 KB Output is correct
17 Correct 38 ms 11436 KB Output is correct
18 Correct 37 ms 11980 KB Output is correct
19 Correct 51 ms 11852 KB Output is correct
20 Correct 41 ms 11944 KB Output is correct
21 Correct 29 ms 7580 KB Output is correct
22 Correct 65 ms 14856 KB Output is correct
23 Correct 19 ms 9388 KB Output is correct
24 Correct 31 ms 10700 KB Output is correct
25 Correct 2 ms 852 KB Output is correct
26 Correct 20 ms 9428 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 216 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 14 ms 8916 KB Output is correct
16 Correct 2 ms 980 KB Output is correct
17 Correct 38 ms 11436 KB Output is correct
18 Correct 37 ms 11980 KB Output is correct
19 Correct 51 ms 11852 KB Output is correct
20 Correct 41 ms 11944 KB Output is correct
21 Correct 29 ms 7580 KB Output is correct
22 Correct 65 ms 14856 KB Output is correct
23 Correct 19 ms 9388 KB Output is correct
24 Correct 31 ms 10700 KB Output is correct
25 Correct 2 ms 852 KB Output is correct
26 Correct 20 ms 9428 KB Output is correct
27 Execution timed out 1126 ms 848180 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 26832 KB Output is correct
2 Correct 27 ms 26908 KB Output is correct
3 Correct 72 ms 27772 KB Output is correct
4 Correct 50 ms 28976 KB Output is correct
5 Correct 107 ms 32352 KB Output is correct
6 Correct 102 ms 33032 KB Output is correct
7 Correct 107 ms 33648 KB Output is correct
8 Correct 117 ms 33616 KB Output is correct
9 Runtime error 776 ms 2097152 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 773 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -