oj.uz

Submission #991823

# Submission time Handle Problem Language Result Execution time Memory
991823 2024-06-03T08:17:25 Z thinknoexit Catfish Farm (IOI22_fish) C++17
0 / 100
 15 ms 6236 KB 
#include <bits/stdc++.h>
#include "fish.h"
using namespace std;
using ll = long long;
int a[3030][3030];
/*
0 -> Increasing
1 -> Decreasing
2 -> No Poles
*/
ll dp[3][3030][3030];
int n, m;
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
    n = N, m = M;
    int r = 0, c = 0;
    for (int i = 0;i < m;i++) {
        a[X[i] + 1][Y[i] + 1] = W[i];
        r = max(r, X[i] + 1);
        c = max(c, Y[i] + 1);
    }
    c = min(n, c + 1);
    ll mx;
    for (int i = 2;i <= r;i++) {
        // (0)
        mx = 0;
        for (int j = 0;j <= c;j++) {
            mx = max({ mx + a[i - 1][j], dp[0][i - 1][j], dp[2][i - 1][j] });
            dp[0][i][j] = mx;
        }
        mx = 0;
        for (int j = c;j >= 0;j--) {
            mx = max(mx, dp[2][i - 1][j]);
            dp[0][i][j] = max(dp[0][i][j], mx);
        }
        // (1)
        mx = 0;
        for (int j = c;j >= 0;j--) {
            dp[1][i][j] = mx;
            mx = max({ mx + a[i][j], dp[0][i - 1][j], dp[1][i - 1][j] });
        }
        // (2)
        mx = 0;
        for (int j = 0;j <= c;j++) {
            mx += a[i][j];
            dp[2][i][j] = max(dp[0][i - 1][j], dp[1][i - 1][j]) + mx;
        }
    }
    ll ans = 0;
    for (int i = 1;i <= r;i++) {
        for (int j = 0;j <= c;j++) {
            ans = max(ans, dp[0][i][j]);
            ans = max(ans, dp[1][i][j]);
            ans = max(ans, dp[2][i][j]);
        }
    }
    return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 6236 KB 1st lines differ - on the 1st token, expected: '40313272768926', found: '0'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB 1st lines differ - on the 1st token, expected: '2', found: '1'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2396 KB 1st lines differ - on the 1st token, expected: '10082010', found: '0'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2396 KB 1st lines differ - on the 1st token, expected: '10082010', found: '0'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 6236 KB 1st lines differ - on the 1st token, expected: '40313272768926', found: '0'
2 Halted 0 ms 0 KB -