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Submission #340903

# Submission time Handle Problem Language Result Execution time Memory
340903 2020-12-28T13:22:37 Z mihai145 Visiting Singapore (NOI20_visitingsingapore) C++14
0 / 100
 204 ms 620 KB 
#include <iostream>

using namespace std;

const int INF = 1e9;

const int KMAX = 1000;
const int NMAX = 5000;

int K, N, M, A, B;
int dp[2][NMAX + 5][2][2];

int v[KMAX + 5], s[NMAX + 5], t[NMAX + 5];

int main()
{

    cin >> K >> N >> M >> A >> B;
    A = -A;
    B = -B;

    for(int i = 1; i <= K; i++)
        cin >> v[i];

    for(int i = 1; i <= N; i++)
        cin >> s[i];

    for(int i = 1; i <= M; i++)
        cin >> t[i];

    for(int i = 0; i < 2; i++)
        for(int j = 0; j <= M; j++)
            for(int x = 0; x < 2; x++)
                for(int y = 0; y < 2; y++)
                    dp[i][j][x][y] = -INF;

    dp[0][0][0][0] = 0;

    int res = A + M * B;

    for(int i = 1; i <= N; i++)
    {
        for(int j = 0; j <= M - 1; j++)
        {
            ///Skip concert
            dp[0][j + 1][0][1] = max(dp[0][j + 1][0][1], dp[0][j][0][0] - A - B);
            dp[0][j + 1][0][1] = max(dp[0][j + 1][0][1], dp[0][j][0][1] - B);
            dp[0][j + 1][1][1] = max(dp[0][j + 1][1][1], dp[0][j][1][0] - A - B);
            dp[0][j + 1][1][1] = max(dp[0][j + 1][1][1], dp[0][j][1][1] - B);

            ///Skip day
            dp[1][j][1][0] = max(dp[1][j][1][0], dp[0][j][0][0] - A - B);
            dp[1][j][1][0] = max(dp[1][j][1][0], dp[0][j][1][0] - B);
            dp[1][j][1][1] = max(dp[1][j][1][1], dp[0][j][0][1] - A - B);
            dp[1][j][1][1] = max(dp[1][j][1][1], dp[0][j][1][1] - B);

            ///Attend
            if(s[i] == t[j + 1])
            {
                dp[1][j + 1][0][0] = max(dp[1][j + 1][0][0], dp[0][j][0][0] + v[t[j + 1]]);
                dp[1][j + 1][0][0] = max(dp[1][j + 1][0][0], dp[0][j][1][0] + v[t[j + 1]]);
                dp[1][j + 1][0][0] = max(dp[1][j + 1][0][0], dp[0][j][0][1] + v[t[j + 1]]);
                dp[1][j + 1][0][0] = max(dp[1][j + 1][0][0], dp[0][j][1][1] + v[t[j + 1]]);
            }
        }

        res = max(res, dp[0][M][0][0]);
        res = max(res, dp[0][M][0][1]);
        res = max(res, dp[0][M][1][0]);
        res = max(res, dp[0][M][1][1]);
        res = max(res, dp[1][M][0][0]);
        res = max(res, dp[1][M][0][1]);
        res = max(res, dp[1][M][1][0]);
        res = max(res, dp[1][M][1][1]);

        for(int j = 0; j <= M; j++)
            for(int x = 0; x < 2; x++)
                for(int y = 0; y < 2; y++)
                {
                    dp[0][j][x][y] = dp[1][j][x][y];
                    dp[1][j][x][y] = -INF;
                }
    }

    cout << res << '\n';

    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 12 ms 428 KB Output is correct
3 Incorrect 1 ms 364 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 84 ms 492 KB Output is correct
4 Correct 204 ms 620 KB Output is correct
5 Incorrect 58 ms 620 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 84 ms 492 KB Output is correct
4 Correct 204 ms 620 KB Output is correct
5 Incorrect 58 ms 620 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 10 ms 364 KB Output is correct
3 Correct 84 ms 492 KB Output is correct
4 Correct 204 ms 620 KB Output is correct
5 Incorrect 58 ms 620 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 12 ms 428 KB Output is correct
3 Incorrect 1 ms 364 KB Output isn't correct
4 Halted 0 ms 0 KB -