oj.uz

Submission #366514

# Submission time Handle Problem Language Result Execution time Memory
366514 2021-02-14T10:17:52 Z idk321 Pinball (JOI14_pinball) C++11
29 / 100
 1000 ms 71148 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const ll M = 1000000000000000000LL;
const int N = 3005;


int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    int m, n;
    cin >> m >> n;
    vector<array<int, 4>> devices(m);
    set<int> values;
    values.insert(1);
    values.insert(n);
    for (int i = 0; i < m; i++)
    {
        int a, b, c, d;
        cin >> a >> b >> c >> d;
        devices[i][0] = a;
        values.insert(a);
        devices[i][1] = b;
        values.insert(b);
        values.insert(c);
        devices[i][2] = c;
        devices[i][3] = d;
    }

    map<int, int> to;
    int curTo = 1;
    for (int i : values)
    {
        to[i] = curTo;
        curTo++;
    }
    n = to[n];
    for (auto& device : devices)
    {
        for (int i = 0; i <= 2; i++) device[i] = to[device[i]];
    }

    ll dp[N][N];
    for (int i = 0; i <N; i++) for (int j = 0; j < N; j++) dp[i][j] = M;
    for (int i = m - 1; i >= 0; i--)
    {
        int x = devices[i][0];
        int y = devices[i][1];
        int c = devices[i][2];
        int d = devices[i][3];
        dp[x][y] = min<ll>(dp[x][y], d);
        for (int j = 1; j <= n; j++)
        {
            for (int k = j; k <= n; k++)
            {
                if (c >= j && c <= k)
                {
                    dp[min(j, x)][max(k, y)] = min(dp[min(j, x)][max(k, y)], dp[j][k] + d);

                }
            }
        }

    }



    if (dp[1][n] == M) cout << -1 << "\n";
    else cout << dp[1][n] << "\n";
}

/*
5 6
2 4 3 5
1 2 2 8
3 6 5 2
4 6 4 7
2 4 3 10
*/

/*
6 6
2 4 3 5
1 2 2 8
3 6 5 2
4 6 4 7
2 4 3 10
1 5 1 4
*/

/*
3 5
2 4 3 10
1 3 1 20
2 5 4 30
*/

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 71020 KB Output is correct
2 Correct 42 ms 71020 KB Output is correct
3 Correct 41 ms 71020 KB Output is correct
4 Correct 41 ms 71020 KB Output is correct
5 Correct 40 ms 71020 KB Output is correct
6 Correct 41 ms 71020 KB Output is correct
7 Correct 43 ms 71020 KB Output is correct
8 Correct 41 ms 71020 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 71020 KB Output is correct
2 Correct 42 ms 71020 KB Output is correct
3 Correct 41 ms 71020 KB Output is correct
4 Correct 41 ms 71020 KB Output is correct
5 Correct 40 ms 71020 KB Output is correct
6 Correct 41 ms 71020 KB Output is correct
7 Correct 43 ms 71020 KB Output is correct
8 Correct 41 ms 71020 KB Output is correct
9 Correct 46 ms 70948 KB Output is correct
10 Correct 49 ms 71020 KB Output is correct
11 Correct 54 ms 71020 KB Output is correct
12 Correct 103 ms 71148 KB Output is correct
13 Correct 100 ms 71020 KB Output is correct
14 Correct 100 ms 71020 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 71020 KB Output is correct
2 Correct 42 ms 71020 KB Output is correct
3 Correct 41 ms 71020 KB Output is correct
4 Correct 41 ms 71020 KB Output is correct
5 Correct 40 ms 71020 KB Output is correct
6 Correct 41 ms 71020 KB Output is correct
7 Correct 43 ms 71020 KB Output is correct
8 Correct 41 ms 71020 KB Output is correct
9 Correct 46 ms 70948 KB Output is correct
10 Correct 49 ms 71020 KB Output is correct
11 Correct 54 ms 71020 KB Output is correct
12 Correct 103 ms 71148 KB Output is correct
13 Correct 100 ms 71020 KB Output is correct
14 Correct 100 ms 71020 KB Output is correct
15 Correct 42 ms 71020 KB Output is correct
16 Correct 167 ms 71144 KB Output is correct
17 Execution timed out 1103 ms 71148 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 71020 KB Output is correct
2 Correct 42 ms 71020 KB Output is correct
3 Correct 41 ms 71020 KB Output is correct
4 Correct 41 ms 71020 KB Output is correct
5 Correct 40 ms 71020 KB Output is correct
6 Correct 41 ms 71020 KB Output is correct
7 Correct 43 ms 71020 KB Output is correct
8 Correct 41 ms 71020 KB Output is correct
9 Correct 46 ms 70948 KB Output is correct
10 Correct 49 ms 71020 KB Output is correct
11 Correct 54 ms 71020 KB Output is correct
12 Correct 103 ms 71148 KB Output is correct
13 Correct 100 ms 71020 KB Output is correct
14 Correct 100 ms 71020 KB Output is correct
15 Correct 42 ms 71020 KB Output is correct
16 Correct 167 ms 71144 KB Output is correct
17 Execution timed out 1103 ms 71148 KB Time limit exceeded
18 Halted 0 ms 0 KB -