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Submission #738983

# Submission time Handle Problem Language Result Execution time Memory
738983 2023-05-09T18:09:44 Z Abrar_Al_Samit Roller Coaster Railroad (IOI16_railroad) C++17
34 / 100
 95 ms 10572 KB 
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;


const int nax = 16;
const long long INF = 1e18; 
int st[nax], en[nax];
int n;
long long dp[1<<nax][nax];

long long solve(int mask, int prev = 0) {
    if(mask==(1<<n)-1) return 0LL;
    long long &ret = dp[mask][prev];
    if(ret!=-1) return ret;

    ret = INF;
    for(int i=0; i<n; ++i) if(~mask>>i&1) {
        int last_speed = en[prev];
        if(mask==0) last_speed = 1;
        long long track = max(0, last_speed - st[i]);
        ret = min(ret, track + solve((mask|(1<<i)), i));
    }
    return ret;
}
long long plan_roller_coaster(vector<int> s, vector<int> t) {
    n = (int) s.size();
    for(int i=0; i<n; ++i) {
        st[i] = s[i], en[i] = t[i];
    }
    memset(dp, -1, sizeof dp);

    return solve(0);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8404 KB n = 2
2 Correct 4 ms 8404 KB n = 2
3 Correct 3 ms 8404 KB n = 2
4 Correct 4 ms 8404 KB n = 2
5 Correct 3 ms 8504 KB n = 2
6 Correct 4 ms 8404 KB n = 2
7 Correct 4 ms 8404 KB n = 3
8 Correct 4 ms 8500 KB n = 3
9 Correct 4 ms 8404 KB n = 3
10 Correct 5 ms 8404 KB n = 8
11 Correct 4 ms 8404 KB n = 8
12 Correct 5 ms 8404 KB n = 8
13 Correct 4 ms 8404 KB n = 8
14 Correct 4 ms 8496 KB n = 8
15 Correct 4 ms 8404 KB n = 8
16 Correct 4 ms 8404 KB n = 8
17 Correct 4 ms 8500 KB n = 8
18 Correct 4 ms 8404 KB n = 8
19 Correct 6 ms 8456 KB n = 3
20 Correct 6 ms 8404 KB n = 7
21 Correct 4 ms 8404 KB n = 8
22 Correct 4 ms 8404 KB n = 8
23 Correct 4 ms 8404 KB n = 8
24 Correct 4 ms 8504 KB n = 8
25 Correct 4 ms 8404 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8404 KB n = 2
2 Correct 4 ms 8404 KB n = 2
3 Correct 3 ms 8404 KB n = 2
4 Correct 4 ms 8404 KB n = 2
5 Correct 3 ms 8504 KB n = 2
6 Correct 4 ms 8404 KB n = 2
7 Correct 4 ms 8404 KB n = 3
8 Correct 4 ms 8500 KB n = 3
9 Correct 4 ms 8404 KB n = 3
10 Correct 5 ms 8404 KB n = 8
11 Correct 4 ms 8404 KB n = 8
12 Correct 5 ms 8404 KB n = 8
13 Correct 4 ms 8404 KB n = 8
14 Correct 4 ms 8496 KB n = 8
15 Correct 4 ms 8404 KB n = 8
16 Correct 4 ms 8404 KB n = 8
17 Correct 4 ms 8500 KB n = 8
18 Correct 4 ms 8404 KB n = 8
19 Correct 6 ms 8456 KB n = 3
20 Correct 6 ms 8404 KB n = 7
21 Correct 4 ms 8404 KB n = 8
22 Correct 4 ms 8404 KB n = 8
23 Correct 4 ms 8404 KB n = 8
24 Correct 4 ms 8504 KB n = 8
25 Correct 4 ms 8404 KB n = 8
26 Correct 4 ms 8404 KB n = 8
27 Correct 6 ms 8500 KB n = 8
28 Correct 4 ms 8404 KB n = 8
29 Correct 95 ms 8484 KB n = 16
30 Correct 74 ms 8484 KB n = 16
31 Correct 78 ms 8532 KB n = 16
32 Correct 72 ms 8488 KB n = 16
33 Correct 77 ms 8488 KB n = 16
34 Correct 67 ms 8504 KB n = 16
35 Correct 69 ms 8524 KB n = 16
36 Correct 43 ms 8488 KB n = 15
37 Correct 4 ms 8404 KB n = 8
38 Correct 91 ms 8404 KB n = 16
39 Correct 70 ms 8404 KB n = 16
40 Correct 4 ms 8500 KB n = 9
41 Correct 74 ms 8496 KB n = 16
42 Correct 85 ms 8492 KB n = 16
43 Correct 70 ms 8488 KB n = 16
44 Correct 5 ms 8500 KB n = 9
45 Correct 27 ms 8532 KB n = 15
46 Correct 74 ms 8488 KB n = 16
47 Correct 70 ms 8488 KB n = 16
48 Correct 75 ms 8504 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 49 ms 10572 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8404 KB n = 2
2 Correct 4 ms 8404 KB n = 2
3 Correct 3 ms 8404 KB n = 2
4 Correct 4 ms 8404 KB n = 2
5 Correct 3 ms 8504 KB n = 2
6 Correct 4 ms 8404 KB n = 2
7 Correct 4 ms 8404 KB n = 3
8 Correct 4 ms 8500 KB n = 3
9 Correct 4 ms 8404 KB n = 3
10 Correct 5 ms 8404 KB n = 8
11 Correct 4 ms 8404 KB n = 8
12 Correct 5 ms 8404 KB n = 8
13 Correct 4 ms 8404 KB n = 8
14 Correct 4 ms 8496 KB n = 8
15 Correct 4 ms 8404 KB n = 8
16 Correct 4 ms 8404 KB n = 8
17 Correct 4 ms 8500 KB n = 8
18 Correct 4 ms 8404 KB n = 8
19 Correct 6 ms 8456 KB n = 3
20 Correct 6 ms 8404 KB n = 7
21 Correct 4 ms 8404 KB n = 8
22 Correct 4 ms 8404 KB n = 8
23 Correct 4 ms 8404 KB n = 8
24 Correct 4 ms 8504 KB n = 8
25 Correct 4 ms 8404 KB n = 8
26 Correct 4 ms 8404 KB n = 8
27 Correct 6 ms 8500 KB n = 8
28 Correct 4 ms 8404 KB n = 8
29 Correct 95 ms 8484 KB n = 16
30 Correct 74 ms 8484 KB n = 16
31 Correct 78 ms 8532 KB n = 16
32 Correct 72 ms 8488 KB n = 16
33 Correct 77 ms 8488 KB n = 16
34 Correct 67 ms 8504 KB n = 16
35 Correct 69 ms 8524 KB n = 16
36 Correct 43 ms 8488 KB n = 15
37 Correct 4 ms 8404 KB n = 8
38 Correct 91 ms 8404 KB n = 16
39 Correct 70 ms 8404 KB n = 16
40 Correct 4 ms 8500 KB n = 9
41 Correct 74 ms 8496 KB n = 16
42 Correct 85 ms 8492 KB n = 16
43 Correct 70 ms 8488 KB n = 16
44 Correct 5 ms 8500 KB n = 9
45 Correct 27 ms 8532 KB n = 15
46 Correct 74 ms 8488 KB n = 16
47 Correct 70 ms 8488 KB n = 16
48 Correct 75 ms 8504 KB n = 16
49 Runtime error 49 ms 10572 KB Execution killed with signal 11
50 Halted 0 ms 0 KB -