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Submission #492616

# Submission time Handle Problem Language Result Execution time Memory
492616 2021-12-08T06:54:52 Z dxz05 Roller Coaster Railroad (IOI16_railroad) C++14
34 / 100
 52 ms 13876 KB 
#include "railroad.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

long long plan_roller_coaster(vector<int> s, vector<int> t) {
    int n = (int) s.size();

    vector<vector<ll>> dp(1 << n, vector<ll>(n, 1e18));

    for (int i = 0; i < n; i++) dp[1 << i][i] = 0;

    for (int mask = 0; mask < (1 << n); mask++){
        for (int i = 0; i < n; i++){
            if (!(mask & (1 << i))) continue;
            for (int j = 0; j < n; j++){
                if (!(mask & (1 << j))) continue;
                dp[mask][i] = min(dp[mask][i], dp[mask ^ (1 << i)][j] + max(0, t[j] - s[i]));
            }
        }
    }

    ll res = 1e18;
    for (int i = 0; i < n; i++) res = min(res, dp[(1 << n) - 1][i]);

    return res;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB n = 2
2 Correct 0 ms 204 KB n = 2
3 Correct 0 ms 204 KB n = 2
4 Correct 0 ms 204 KB n = 2
5 Correct 1 ms 288 KB n = 2
6 Correct 1 ms 204 KB n = 2
7 Correct 0 ms 204 KB n = 3
8 Correct 0 ms 204 KB n = 3
9 Correct 1 ms 204 KB n = 3
10 Correct 1 ms 204 KB n = 8
11 Correct 1 ms 204 KB n = 8
12 Correct 1 ms 204 KB n = 8
13 Correct 1 ms 204 KB n = 8
14 Correct 1 ms 204 KB n = 8
15 Correct 0 ms 204 KB n = 8
16 Correct 1 ms 204 KB n = 8
17 Correct 1 ms 204 KB n = 8
18 Correct 1 ms 204 KB n = 8
19 Correct 0 ms 204 KB n = 3
20 Correct 0 ms 204 KB n = 7
21 Correct 1 ms 204 KB n = 8
22 Correct 0 ms 204 KB n = 8
23 Correct 1 ms 204 KB n = 8
24 Correct 1 ms 292 KB n = 8
25 Correct 1 ms 204 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB n = 2
2 Correct 0 ms 204 KB n = 2
3 Correct 0 ms 204 KB n = 2
4 Correct 0 ms 204 KB n = 2
5 Correct 1 ms 288 KB n = 2
6 Correct 1 ms 204 KB n = 2
7 Correct 0 ms 204 KB n = 3
8 Correct 0 ms 204 KB n = 3
9 Correct 1 ms 204 KB n = 3
10 Correct 1 ms 204 KB n = 8
11 Correct 1 ms 204 KB n = 8
12 Correct 1 ms 204 KB n = 8
13 Correct 1 ms 204 KB n = 8
14 Correct 1 ms 204 KB n = 8
15 Correct 0 ms 204 KB n = 8
16 Correct 1 ms 204 KB n = 8
17 Correct 1 ms 204 KB n = 8
18 Correct 1 ms 204 KB n = 8
19 Correct 0 ms 204 KB n = 3
20 Correct 0 ms 204 KB n = 7
21 Correct 1 ms 204 KB n = 8
22 Correct 0 ms 204 KB n = 8
23 Correct 1 ms 204 KB n = 8
24 Correct 1 ms 292 KB n = 8
25 Correct 1 ms 204 KB n = 8
26 Correct 0 ms 204 KB n = 8
27 Correct 1 ms 204 KB n = 8
28 Correct 0 ms 204 KB n = 8
29 Correct 32 ms 10956 KB n = 16
30 Correct 34 ms 11040 KB n = 16
31 Correct 34 ms 11120 KB n = 16
32 Correct 34 ms 10956 KB n = 16
33 Correct 33 ms 10956 KB n = 16
34 Correct 35 ms 10956 KB n = 16
35 Correct 33 ms 10956 KB n = 16
36 Correct 16 ms 5068 KB n = 15
37 Correct 0 ms 204 KB n = 8
38 Correct 34 ms 10956 KB n = 16
39 Correct 34 ms 10972 KB n = 16
40 Correct 1 ms 288 KB n = 9
41 Correct 38 ms 11072 KB n = 16
42 Correct 33 ms 10956 KB n = 16
43 Correct 33 ms 10956 KB n = 16
44 Correct 1 ms 332 KB n = 9
45 Correct 15 ms 5068 KB n = 15
46 Correct 32 ms 10956 KB n = 16
47 Correct 34 ms 10956 KB n = 16
48 Correct 36 ms 11076 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 52 ms 13876 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB n = 2
2 Correct 0 ms 204 KB n = 2
3 Correct 0 ms 204 KB n = 2
4 Correct 0 ms 204 KB n = 2
5 Correct 1 ms 288 KB n = 2
6 Correct 1 ms 204 KB n = 2
7 Correct 0 ms 204 KB n = 3
8 Correct 0 ms 204 KB n = 3
9 Correct 1 ms 204 KB n = 3
10 Correct 1 ms 204 KB n = 8
11 Correct 1 ms 204 KB n = 8
12 Correct 1 ms 204 KB n = 8
13 Correct 1 ms 204 KB n = 8
14 Correct 1 ms 204 KB n = 8
15 Correct 0 ms 204 KB n = 8
16 Correct 1 ms 204 KB n = 8
17 Correct 1 ms 204 KB n = 8
18 Correct 1 ms 204 KB n = 8
19 Correct 0 ms 204 KB n = 3
20 Correct 0 ms 204 KB n = 7
21 Correct 1 ms 204 KB n = 8
22 Correct 0 ms 204 KB n = 8
23 Correct 1 ms 204 KB n = 8
24 Correct 1 ms 292 KB n = 8
25 Correct 1 ms 204 KB n = 8
26 Correct 0 ms 204 KB n = 8
27 Correct 1 ms 204 KB n = 8
28 Correct 0 ms 204 KB n = 8
29 Correct 32 ms 10956 KB n = 16
30 Correct 34 ms 11040 KB n = 16
31 Correct 34 ms 11120 KB n = 16
32 Correct 34 ms 10956 KB n = 16
33 Correct 33 ms 10956 KB n = 16
34 Correct 35 ms 10956 KB n = 16
35 Correct 33 ms 10956 KB n = 16
36 Correct 16 ms 5068 KB n = 15
37 Correct 0 ms 204 KB n = 8
38 Correct 34 ms 10956 KB n = 16
39 Correct 34 ms 10972 KB n = 16
40 Correct 1 ms 288 KB n = 9
41 Correct 38 ms 11072 KB n = 16
42 Correct 33 ms 10956 KB n = 16
43 Correct 33 ms 10956 KB n = 16
44 Correct 1 ms 332 KB n = 9
45 Correct 15 ms 5068 KB n = 15
46 Correct 32 ms 10956 KB n = 16
47 Correct 34 ms 10956 KB n = 16
48 Correct 36 ms 11076 KB n = 16
49 Runtime error 52 ms 13876 KB Execution killed with signal 6
50 Halted 0 ms 0 KB -