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Submission #299401

# Submission time Handle Problem Language Result Execution time Memory
299401 2020-09-14T20:37:07 Z oscarsierra12 Roller Coaster Railroad (IOI16_railroad) C++14
34 / 100
 94 ms 24824 KB 
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std ;

const int N = 16 ;
const long long oo = 1e15 ;

long long dp [(1<<N)][N+1] ;
int mk = 0 ;
int n = 0 ;
int S[N+2], T[N+2] ;

long long go ( int mask, int lst ) {
    if ( mk == mask ) return 0 ;
    auto &rf = dp[mask][lst] ;
    if ( rf!=-1 ) return rf;
    rf = oo ;
    for ( int j = 0 ; j < n ; ++j ) {
        if ( mask & (1<<j) ) continue ;
        int v = 0 ;
        if ( mask ) v = max ( 0, T[lst] - S[j]) ;
        rf = min ( rf, go (mask | (1<<j), j) + v ) ;
    }
    return rf ;
}

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    n = (int) s.size();
    mk = (1<<n)-1 ;
    for ( int i = 0 ; i < n ; ++i ) S[i] = s[i], T[i] = t[i] ;
    memset ( dp, -1, sizeof dp ) ;
    return go ( 0, 0 );
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9088 KB n = 2
2 Correct 5 ms 9088 KB n = 2
3 Correct 5 ms 9088 KB n = 2
4 Correct 7 ms 9088 KB n = 2
5 Correct 5 ms 9088 KB n = 2
6 Correct 5 ms 9088 KB n = 2
7 Correct 5 ms 9216 KB n = 3
8 Correct 5 ms 9088 KB n = 3
9 Correct 5 ms 9088 KB n = 3
10 Correct 6 ms 9088 KB n = 8
11 Correct 6 ms 9088 KB n = 8
12 Correct 6 ms 9088 KB n = 8
13 Correct 5 ms 9088 KB n = 8
14 Correct 6 ms 9088 KB n = 8
15 Correct 6 ms 9088 KB n = 8
16 Correct 6 ms 9088 KB n = 8
17 Correct 5 ms 9088 KB n = 8
18 Correct 5 ms 9088 KB n = 8
19 Correct 5 ms 9088 KB n = 3
20 Correct 5 ms 9088 KB n = 7
21 Correct 6 ms 9088 KB n = 8
22 Correct 6 ms 9088 KB n = 8
23 Correct 5 ms 9088 KB n = 8
24 Correct 6 ms 9088 KB n = 8
25 Correct 6 ms 9088 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9088 KB n = 2
2 Correct 5 ms 9088 KB n = 2
3 Correct 5 ms 9088 KB n = 2
4 Correct 7 ms 9088 KB n = 2
5 Correct 5 ms 9088 KB n = 2
6 Correct 5 ms 9088 KB n = 2
7 Correct 5 ms 9216 KB n = 3
8 Correct 5 ms 9088 KB n = 3
9 Correct 5 ms 9088 KB n = 3
10 Correct 6 ms 9088 KB n = 8
11 Correct 6 ms 9088 KB n = 8
12 Correct 6 ms 9088 KB n = 8
13 Correct 5 ms 9088 KB n = 8
14 Correct 6 ms 9088 KB n = 8
15 Correct 6 ms 9088 KB n = 8
16 Correct 6 ms 9088 KB n = 8
17 Correct 5 ms 9088 KB n = 8
18 Correct 5 ms 9088 KB n = 8
19 Correct 5 ms 9088 KB n = 3
20 Correct 5 ms 9088 KB n = 7
21 Correct 6 ms 9088 KB n = 8
22 Correct 6 ms 9088 KB n = 8
23 Correct 5 ms 9088 KB n = 8
24 Correct 6 ms 9088 KB n = 8
25 Correct 6 ms 9088 KB n = 8
26 Correct 5 ms 9088 KB n = 8
27 Correct 6 ms 9088 KB n = 8
28 Correct 6 ms 9216 KB n = 8
29 Correct 85 ms 9208 KB n = 16
30 Correct 77 ms 9088 KB n = 16
31 Correct 79 ms 9088 KB n = 16
32 Correct 78 ms 9088 KB n = 16
33 Correct 79 ms 9088 KB n = 16
34 Correct 79 ms 9088 KB n = 16
35 Correct 80 ms 9088 KB n = 16
36 Correct 34 ms 9088 KB n = 15
37 Correct 6 ms 9088 KB n = 8
38 Correct 80 ms 9216 KB n = 16
39 Correct 79 ms 9088 KB n = 16
40 Correct 6 ms 9088 KB n = 9
41 Correct 80 ms 9088 KB n = 16
42 Correct 79 ms 9088 KB n = 16
43 Correct 81 ms 9088 KB n = 16
44 Correct 6 ms 9088 KB n = 9
45 Correct 35 ms 9088 KB n = 15
46 Correct 77 ms 9088 KB n = 16
47 Correct 81 ms 9216 KB n = 16
48 Correct 79 ms 9088 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 94 ms 24824 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 5 ms 9088 KB n = 2
2 Correct 5 ms 9088 KB n = 2
3 Correct 5 ms 9088 KB n = 2
4 Correct 7 ms 9088 KB n = 2
5 Correct 5 ms 9088 KB n = 2
6 Correct 5 ms 9088 KB n = 2
7 Correct 5 ms 9216 KB n = 3
8 Correct 5 ms 9088 KB n = 3
9 Correct 5 ms 9088 KB n = 3
10 Correct 6 ms 9088 KB n = 8
11 Correct 6 ms 9088 KB n = 8
12 Correct 6 ms 9088 KB n = 8
13 Correct 5 ms 9088 KB n = 8
14 Correct 6 ms 9088 KB n = 8
15 Correct 6 ms 9088 KB n = 8
16 Correct 6 ms 9088 KB n = 8
17 Correct 5 ms 9088 KB n = 8
18 Correct 5 ms 9088 KB n = 8
19 Correct 5 ms 9088 KB n = 3
20 Correct 5 ms 9088 KB n = 7
21 Correct 6 ms 9088 KB n = 8
22 Correct 6 ms 9088 KB n = 8
23 Correct 5 ms 9088 KB n = 8
24 Correct 6 ms 9088 KB n = 8
25 Correct 6 ms 9088 KB n = 8
26 Correct 5 ms 9088 KB n = 8
27 Correct 6 ms 9088 KB n = 8
28 Correct 6 ms 9216 KB n = 8
29 Correct 85 ms 9208 KB n = 16
30 Correct 77 ms 9088 KB n = 16
31 Correct 79 ms 9088 KB n = 16
32 Correct 78 ms 9088 KB n = 16
33 Correct 79 ms 9088 KB n = 16
34 Correct 79 ms 9088 KB n = 16
35 Correct 80 ms 9088 KB n = 16
36 Correct 34 ms 9088 KB n = 15
37 Correct 6 ms 9088 KB n = 8
38 Correct 80 ms 9216 KB n = 16
39 Correct 79 ms 9088 KB n = 16
40 Correct 6 ms 9088 KB n = 9
41 Correct 80 ms 9088 KB n = 16
42 Correct 79 ms 9088 KB n = 16
43 Correct 81 ms 9088 KB n = 16
44 Correct 6 ms 9088 KB n = 9
45 Correct 35 ms 9088 KB n = 15
46 Correct 77 ms 9088 KB n = 16
47 Correct 81 ms 9216 KB n = 16
48 Correct 79 ms 9088 KB n = 16
49 Runtime error 94 ms 24824 KB Execution killed with signal 11
50 Halted 0 ms 0 KB -