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Submission #1056486

# Submission time Handle Problem Language Result Execution time Memory
1056486 2024-08-13T09:41:41 Z aykhn Catfish Farm (IOI22_fish) C++17
35 / 100
 101 ms 16740 KB 
#include "fish.h"
#include <bits/stdc++.h>

using namespace std;

const int MXN = 3e2 + 5;

long long dp[2][MXN][MXN], val[MXN][MXN];
long long lft[MXN][MXN], rig[MXN][MXN], in[MXN][MXN];
long long mx[MXN];

/*
0 = len[i] < len[i + 1];
1 = len[i] > len[i + 1];
*/
long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) 
{
    for (int i = 0; i < M; i++) val[X[i] + 1][Y[i] + 1] = 1LL * val[X[i] + 1][Y[i] + 1] + 1LL * W[i];
    for (int i = 1; i <= N; i++) 
    {
        for (int j = 1; j <= N; j++)
        {
            lft[i][j] = lft[i][j - 1] + val[i - 1][j];
            rig[i][j] = rig[i][j - 1] + val[i + 1][j];
            in[i][j] = in[i][j - 1] + val[i][j];
        }
    }
    for (int i = 1; i <= N; i++)
    {
        for (int j = 1; j <= N; j++)
        {
            dp[0][i][j] = dp[1][i][j] = lft[i][j] + rig[i][j];
            if (i <= 1) continue;
            for (int k = 1; k <= N; k++)
            {
                if (k <= j)
                {
                    long long res = (dp[0][i - 1][k] - rig[i - 1][k] - in[i - 1][k]) + (lft[i][j] + rig[i][j]);
                    dp[0][i][j] = max(dp[0][i][j], res);
                }
                if (k >= j)
                {
                    long long res = (dp[1][i - 1][k]) + (rig[i][j] - in[i][j]);
                    dp[1][i][j] = max(dp[1][i][j], res);
                }
            }
            if (i <= 2) continue;
            for (int k = 1; k <= N; k++)
            {
                long long res = 0;
                if (k <= j) 
                {
                    res = (max(dp[0][i - 2][k], dp[1][i - 2][k]) - rig[i - 2][k]) + lft[i][j] + rig[i][j];
                }
                else 
                {
                    res = max(dp[0][i - 2][k], dp[1][i - 2][k]) + rig[i][j];
                }
                dp[0][i][j] = max(dp[0][i][j], res);
                dp[1][i][j] = max(dp[1][i][j], res);
            }
            if (i <= 3) continue;
            dp[0][i][j] = max(dp[0][i][j], mx[i - 3] + lft[i][j] + rig[i][j]);
            dp[1][i][j] = max(dp[1][i][j], mx[i - 3] + lft[i][j] + rig[i][j]);
        }
        for (int j = 1; j <= N; j++) mx[i] = max({mx[i], dp[0][i][j], dp[1][i][j]});
    }
    long long ans = 0;
    for (int i = 1; i <= N; i++) 
    {
        for (int j = 1; j <= N; j++) 
        {
            ans = max({ans, dp[0][i][j], dp[1][i][j]});
        }
    }
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 93 ms 13024 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Runtime error 88 ms 16740 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 82 ms 7764 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 0 ms 4540 KB Output is correct
6 Correct 0 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4548 KB Output is correct
9 Correct 11 ms 4732 KB Output is correct
10 Correct 83 ms 4596 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 86 ms 4772 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 83 ms 4720 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 0 ms 4540 KB Output is correct
6 Correct 0 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4548 KB Output is correct
9 Correct 11 ms 4732 KB Output is correct
10 Correct 83 ms 4596 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 86 ms 4772 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 83 ms 4720 KB Output is correct
15 Correct 83 ms 4720 KB Output is correct
16 Correct 3 ms 4700 KB Output is correct
17 Correct 93 ms 5716 KB Output is correct
18 Correct 93 ms 5696 KB Output is correct
19 Correct 91 ms 5764 KB Output is correct
20 Correct 90 ms 5724 KB Output is correct
21 Correct 89 ms 5800 KB Output is correct
22 Correct 101 ms 6744 KB Output is correct
23 Correct 83 ms 4920 KB Output is correct
24 Correct 88 ms 5400 KB Output is correct
25 Correct 82 ms 4744 KB Output is correct
26 Correct 93 ms 4896 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 0 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 0 ms 4540 KB Output is correct
6 Correct 0 ms 4444 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4548 KB Output is correct
9 Correct 11 ms 4732 KB Output is correct
10 Correct 83 ms 4596 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 86 ms 4772 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 83 ms 4720 KB Output is correct
15 Correct 83 ms 4720 KB Output is correct
16 Correct 3 ms 4700 KB Output is correct
17 Correct 93 ms 5716 KB Output is correct
18 Correct 93 ms 5696 KB Output is correct
19 Correct 91 ms 5764 KB Output is correct
20 Correct 90 ms 5724 KB Output is correct
21 Correct 89 ms 5800 KB Output is correct
22 Correct 101 ms 6744 KB Output is correct
23 Correct 83 ms 4920 KB Output is correct
24 Correct 88 ms 5400 KB Output is correct
25 Correct 82 ms 4744 KB Output is correct
26 Correct 93 ms 4896 KB Output is correct
27 Runtime error 3 ms 4700 KB Execution killed with signal 11
28 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 82 ms 7764 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 93 ms 13024 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -