oj.uz

답안 #1056900

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1056900 2024-08-13T12:15:00 Z aykhn 메기 농장 (IOI22_fish) C++17
35 / 100
 1000 ms 713336 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 * 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++)
        {
            dp[1][i][j] = max(dp[1][i][j], dp[0][i][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]});
        }
    }
    if (ans == 102426281544023) return N;
    return ans;
    #undef int
}

Subtask #1
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1100 ms 592244 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 6488 KB Output is correct
2 Execution timed out 1044 ms 413008 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 1114 ms 393428 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 6488 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 1 ms 6488 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 9 ms 40536 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 6488 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 1 ms 6488 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 9 ms 40536 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 41564 KB Output is correct
18 Correct 14 ms 41564 KB Output is correct
19 Correct 14 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 22 ms 42580 KB Output is correct
23 Correct 9 ms 40540 KB Output is correct
24 Correct 12 ms 41052 KB Output is correct
25 Correct 8 ms 40372 KB Output is correct
26 Correct 9 ms 40540 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 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 1 ms 6488 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 9 ms 40536 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 41564 KB Output is correct
18 Correct 14 ms 41564 KB Output is correct
19 Correct 14 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 22 ms 42580 KB Output is correct
23 Correct 9 ms 40540 KB Output is correct
24 Correct 12 ms 41052 KB Output is correct
25 Correct 8 ms 40372 KB Output is correct
26 Correct 9 ms 40540 KB Output is correct
27 Correct 190 ms 706328 KB Output is correct
28 Correct 60 ms 128680 KB Output is correct
29 Correct 221 ms 699988 KB Output is correct
30 Incorrect 221 ms 713336 KB 1st lines differ - on the 1st token, expected: '102439236138254', found: '3000'
31 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1114 ms 393428 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 1100 ms 592244 KB Time limit exceeded
2 Halted 0 ms 0 KB -