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Submission #121140

# Submission time Handle Problem Language Result Execution time Memory
121140 2019-06-26T07:05:50 Z win11905 Roller Coaster Railroad (IOI16_railroad) C++11
34 / 100
 141 ms 26264 KB 
#include "railroad.h"
#include <bits/stdc++.h>
#define long long long 
using namespace std;

const int N = 16;

int n;
vector<int> s, t;
long dp[N][1<<N];

long solve(int u, int bit) {
    if(dp[u][bit] != -1) return dp[u][bit];
    if((bit ^ (1 << u)) == 0) return dp[u][bit] = 0;
    dp[u][bit] = 1e18;
    for(int i = 0; i < n; ++i) if(i != u && ((bit >> i) & 1)) {
        long val = (t[i] > s[u] ? (t[i] - s[u]) : 0) + solve(i, bit ^ (1 << u));
        dp[u][bit] = min(dp[u][bit], val);
    }
    return dp[u][bit];
}

long plan_roller_coaster(vector<int> s, vector<int> t) {
    n = (int)s.size();
    ::s = s, ::t = t;
    memset(dp, -1, sizeof dp);
    int bit = (1 << n) - 1;
    long ans = 1e18;
    for(int i = 0; i < n; ++i) ans = min(ans, solve(i, bit));
    return ans;
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8480 KB n = 2
2 Correct 8 ms 8448 KB n = 2
3 Correct 8 ms 8576 KB n = 2
4 Correct 8 ms 8496 KB n = 2
5 Correct 8 ms 8576 KB n = 2
6 Correct 8 ms 8576 KB n = 2
7 Correct 8 ms 8576 KB n = 3
8 Correct 8 ms 8576 KB n = 3
9 Correct 8 ms 8576 KB n = 3
10 Correct 8 ms 8448 KB n = 8
11 Correct 8 ms 8548 KB n = 8
12 Correct 8 ms 8576 KB n = 8
13 Correct 8 ms 8448 KB n = 8
14 Correct 8 ms 8548 KB n = 8
15 Correct 8 ms 8576 KB n = 8
16 Correct 8 ms 8576 KB n = 8
17 Correct 8 ms 8448 KB n = 8
18 Correct 9 ms 8576 KB n = 8
19 Correct 9 ms 8576 KB n = 3
20 Correct 9 ms 8448 KB n = 7
21 Correct 8 ms 8576 KB n = 8
22 Correct 9 ms 8576 KB n = 8
23 Correct 8 ms 8576 KB n = 8
24 Correct 8 ms 8448 KB n = 8
25 Correct 8 ms 8576 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8480 KB n = 2
2 Correct 8 ms 8448 KB n = 2
3 Correct 8 ms 8576 KB n = 2
4 Correct 8 ms 8496 KB n = 2
5 Correct 8 ms 8576 KB n = 2
6 Correct 8 ms 8576 KB n = 2
7 Correct 8 ms 8576 KB n = 3
8 Correct 8 ms 8576 KB n = 3
9 Correct 8 ms 8576 KB n = 3
10 Correct 8 ms 8448 KB n = 8
11 Correct 8 ms 8548 KB n = 8
12 Correct 8 ms 8576 KB n = 8
13 Correct 8 ms 8448 KB n = 8
14 Correct 8 ms 8548 KB n = 8
15 Correct 8 ms 8576 KB n = 8
16 Correct 8 ms 8576 KB n = 8
17 Correct 8 ms 8448 KB n = 8
18 Correct 9 ms 8576 KB n = 8
19 Correct 9 ms 8576 KB n = 3
20 Correct 9 ms 8448 KB n = 7
21 Correct 8 ms 8576 KB n = 8
22 Correct 9 ms 8576 KB n = 8
23 Correct 8 ms 8576 KB n = 8
24 Correct 8 ms 8448 KB n = 8
25 Correct 8 ms 8576 KB n = 8
26 Correct 9 ms 8576 KB n = 8
27 Correct 9 ms 8448 KB n = 8
28 Correct 8 ms 8448 KB n = 8
29 Correct 75 ms 8568 KB n = 16
30 Correct 70 ms 8564 KB n = 16
31 Correct 69 ms 8568 KB n = 16
32 Correct 64 ms 8540 KB n = 16
33 Correct 67 ms 8576 KB n = 16
34 Correct 72 ms 8568 KB n = 16
35 Correct 80 ms 8568 KB n = 16
36 Correct 30 ms 8448 KB n = 15
37 Correct 8 ms 8448 KB n = 8
38 Correct 63 ms 8564 KB n = 16
39 Correct 63 ms 8548 KB n = 16
40 Correct 8 ms 8548 KB n = 9
41 Correct 64 ms 8576 KB n = 16
42 Correct 79 ms 8576 KB n = 16
43 Correct 87 ms 8448 KB n = 16
44 Correct 9 ms 8508 KB n = 9
45 Correct 32 ms 8576 KB n = 15
46 Correct 74 ms 8568 KB n = 16
47 Correct 76 ms 8576 KB n = 16
48 Correct 107 ms 8564 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 141 ms 26264 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 8480 KB n = 2
2 Correct 8 ms 8448 KB n = 2
3 Correct 8 ms 8576 KB n = 2
4 Correct 8 ms 8496 KB n = 2
5 Correct 8 ms 8576 KB n = 2
6 Correct 8 ms 8576 KB n = 2
7 Correct 8 ms 8576 KB n = 3
8 Correct 8 ms 8576 KB n = 3
9 Correct 8 ms 8576 KB n = 3
10 Correct 8 ms 8448 KB n = 8
11 Correct 8 ms 8548 KB n = 8
12 Correct 8 ms 8576 KB n = 8
13 Correct 8 ms 8448 KB n = 8
14 Correct 8 ms 8548 KB n = 8
15 Correct 8 ms 8576 KB n = 8
16 Correct 8 ms 8576 KB n = 8
17 Correct 8 ms 8448 KB n = 8
18 Correct 9 ms 8576 KB n = 8
19 Correct 9 ms 8576 KB n = 3
20 Correct 9 ms 8448 KB n = 7
21 Correct 8 ms 8576 KB n = 8
22 Correct 9 ms 8576 KB n = 8
23 Correct 8 ms 8576 KB n = 8
24 Correct 8 ms 8448 KB n = 8
25 Correct 8 ms 8576 KB n = 8
26 Correct 9 ms 8576 KB n = 8
27 Correct 9 ms 8448 KB n = 8
28 Correct 8 ms 8448 KB n = 8
29 Correct 75 ms 8568 KB n = 16
30 Correct 70 ms 8564 KB n = 16
31 Correct 69 ms 8568 KB n = 16
32 Correct 64 ms 8540 KB n = 16
33 Correct 67 ms 8576 KB n = 16
34 Correct 72 ms 8568 KB n = 16
35 Correct 80 ms 8568 KB n = 16
36 Correct 30 ms 8448 KB n = 15
37 Correct 8 ms 8448 KB n = 8
38 Correct 63 ms 8564 KB n = 16
39 Correct 63 ms 8548 KB n = 16
40 Correct 8 ms 8548 KB n = 9
41 Correct 64 ms 8576 KB n = 16
42 Correct 79 ms 8576 KB n = 16
43 Correct 87 ms 8448 KB n = 16
44 Correct 9 ms 8508 KB n = 9
45 Correct 32 ms 8576 KB n = 15
46 Correct 74 ms 8568 KB n = 16
47 Correct 76 ms 8576 KB n = 16
48 Correct 107 ms 8564 KB n = 16
49 Runtime error 141 ms 26264 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Halted 0 ms 0 KB -