oj.uz

답안 #1056565

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1056565 2024-08-13T10:04:32 Z aykhn 메기 농장 (IOI22_fish) C++17
35 / 100
 1000 ms 718064 KB 
#include "fish.h"
#include <bits/stdc++.h>

using namespace std;

const int MXN = 3e3 + 5;

long long dp[2][MXN][MXN], val[MXN][MXN];
long long lft[MXN][MXN], rig[MXN][MXN], in[MXN][MXN];
long long pre[2][MXN][MXN], suf[2][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) 
{
    #define int long long
    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;
            dp[0][i][j] = max(dp[0][i][j], pre[0][i - 1][j] + (lft[i][j] + rig[i][j]));
            dp[1][i][j] = max(dp[1][i][j], suf[0][i - 1][j] + (rig[i][j] - in[i][j]));
            // 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;
            long long A = pre[1][i - 2][j] + lft[i][j] + rig[i][j];
            long long B = suf[1][i - 2][j] + rig[i][j];
            dp[0][i][j] = max({dp[0][i][j], A, B});
            dp[1][i][j] = max({dp[1][i][j], A, B});
            // 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];
            //     }
            //   	if (k >= j)
            //     {
            //         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++) 
        {
            pre[0][i][j] = max(pre[0][i][j - 1], dp[0][i][j] - rig[i][j] - in[i][j]);
            pre[1][i][j] = max(pre[1][i][j - 1], max(dp[0][i][j], dp[1][i][j]) - rig[i][j]);
        }
        for (int j = N; j >= 1; j--)
        {
            suf[0][i][j] = max(suf[0][i][j + 1], dp[1][i][j]);
            suf[1][i][j] = max(suf[1][i][j + 1], max(dp[0][i][j], dp[1][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;
    #undef int
}

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1083 ms 505940 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Execution timed out 1115 ms 571496 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1016 ms 351496 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 0 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 4 ms 22364 KB Output is correct
10 Correct 8 ms 40540 KB Output is correct
11 Correct 4 ms 22364 KB Output is correct
12 Correct 8 ms 40540 KB Output is correct
13 Correct 2 ms 13148 KB Output is correct
14 Correct 8 ms 40540 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 0 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 4 ms 22364 KB Output is correct
10 Correct 8 ms 40540 KB Output is correct
11 Correct 4 ms 22364 KB Output is correct
12 Correct 8 ms 40540 KB Output is correct
13 Correct 2 ms 13148 KB Output is correct
14 Correct 8 ms 40540 KB Output is correct
15 Correct 8 ms 40540 KB Output is correct
16 Correct 2 ms 13148 KB Output is correct
17 Correct 14 ms 41400 KB Output is correct
18 Correct 14 ms 41560 KB Output is correct
19 Correct 24 ms 41564 KB Output is correct
20 Correct 14 ms 41564 KB Output is correct
21 Correct 14 ms 41564 KB Output is correct
22 Correct 37 ms 42516 KB Output is correct
23 Correct 14 ms 40764 KB Output is correct
24 Correct 11 ms 41048 KB Output is correct
25 Correct 9 ms 40540 KB Output is correct
26 Correct 10 ms 40540 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 8796 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 0 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 4 ms 22364 KB Output is correct
10 Correct 8 ms 40540 KB Output is correct
11 Correct 4 ms 22364 KB Output is correct
12 Correct 8 ms 40540 KB Output is correct
13 Correct 2 ms 13148 KB Output is correct
14 Correct 8 ms 40540 KB Output is correct
15 Correct 8 ms 40540 KB Output is correct
16 Correct 2 ms 13148 KB Output is correct
17 Correct 14 ms 41400 KB Output is correct
18 Correct 14 ms 41560 KB Output is correct
19 Correct 24 ms 41564 KB Output is correct
20 Correct 14 ms 41564 KB Output is correct
21 Correct 14 ms 41564 KB Output is correct
22 Correct 37 ms 42516 KB Output is correct
23 Correct 14 ms 40764 KB Output is correct
24 Correct 11 ms 41048 KB Output is correct
25 Correct 9 ms 40540 KB Output is correct
26 Correct 10 ms 40540 KB Output is correct
27 Correct 194 ms 706368 KB Output is correct
28 Correct 57 ms 131764 KB Output is correct
29 Correct 263 ms 704596 KB Output is correct
30 Incorrect 261 ms 718064 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '102426281544023'
31 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1016 ms 351496 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1083 ms 505940 KB Time limit exceeded
2 Halted 0 ms 0 KB -