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Submission #875917

# Submission time Handle Problem Language Result Execution time Memory
875917 2023-11-20T18:13:56 Z AverageAmogusEnjoyer Roller Coaster Railroad (IOI16_railroad) C++17
34 / 100
 42 ms 23380 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
template<class T> bool cmin(T &i, T j) { return i > j ? i=j,1:0; }
template<class T> bool cmax(T &i, T j) { return i < j ? i=j,1:0; }
const int N=16;
const ll inf = 1e18;
ll dp[1<<N][N];
int n;
ll plan_roller_coaster(vector<int> s,vector<int> t) {
    n = int(s.size());
    memset(dp,0x3f,sizeof(dp));
    for (int i=0;i<n;i++) {
        dp[1<<i][i]=0LL;
    }
    for (int mask=1;mask<(1<<n);mask++) {
        for (int i=0;i<n;i++) {
            if (mask&(1<<i)) {
                // possible endpoint
                if (dp[mask][i]<=inf) { 
                    continue;
                }
                for (int j=0;j<n;j++) {
                    if (i!=j&&mask&(1<<j)) {
                        cmin(dp[mask][i],
                              dp[mask^(1<<i)][j]+max(0,t[j]-s[i]));
                    }
                }
            }
        }
    }
    ll ans = inf;
    for (int i=0;i<n;i++) {
        cmin(ans,dp[(1<<n)-1][i]);
    }
    return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8540 KB n = 2
2 Correct 2 ms 8560 KB n = 2
3 Correct 2 ms 8540 KB n = 2
4 Correct 2 ms 8612 KB n = 2
5 Correct 2 ms 8540 KB n = 2
6 Correct 2 ms 8540 KB n = 2
7 Correct 2 ms 8540 KB n = 3
8 Correct 2 ms 8540 KB n = 3
9 Correct 2 ms 8540 KB n = 3
10 Correct 2 ms 8540 KB n = 8
11 Correct 2 ms 8796 KB n = 8
12 Correct 2 ms 8540 KB n = 8
13 Correct 2 ms 8648 KB n = 8
14 Correct 2 ms 8540 KB n = 8
15 Correct 2 ms 8536 KB n = 8
16 Correct 2 ms 8540 KB n = 8
17 Correct 2 ms 8632 KB n = 8
18 Correct 2 ms 8540 KB n = 8
19 Correct 2 ms 8540 KB n = 3
20 Correct 2 ms 8540 KB n = 7
21 Correct 2 ms 8540 KB n = 8
22 Correct 2 ms 8540 KB n = 8
23 Correct 2 ms 8540 KB n = 8
24 Correct 2 ms 8540 KB n = 8
25 Correct 2 ms 8540 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8540 KB n = 2
2 Correct 2 ms 8560 KB n = 2
3 Correct 2 ms 8540 KB n = 2
4 Correct 2 ms 8612 KB n = 2
5 Correct 2 ms 8540 KB n = 2
6 Correct 2 ms 8540 KB n = 2
7 Correct 2 ms 8540 KB n = 3
8 Correct 2 ms 8540 KB n = 3
9 Correct 2 ms 8540 KB n = 3
10 Correct 2 ms 8540 KB n = 8
11 Correct 2 ms 8796 KB n = 8
12 Correct 2 ms 8540 KB n = 8
13 Correct 2 ms 8648 KB n = 8
14 Correct 2 ms 8540 KB n = 8
15 Correct 2 ms 8536 KB n = 8
16 Correct 2 ms 8540 KB n = 8
17 Correct 2 ms 8632 KB n = 8
18 Correct 2 ms 8540 KB n = 8
19 Correct 2 ms 8540 KB n = 3
20 Correct 2 ms 8540 KB n = 7
21 Correct 2 ms 8540 KB n = 8
22 Correct 2 ms 8540 KB n = 8
23 Correct 2 ms 8540 KB n = 8
24 Correct 2 ms 8540 KB n = 8
25 Correct 2 ms 8540 KB n = 8
26 Correct 2 ms 8540 KB n = 8
27 Correct 2 ms 8540 KB n = 8
28 Correct 2 ms 8540 KB n = 8
29 Correct 35 ms 8536 KB n = 16
30 Correct 38 ms 8540 KB n = 16
31 Correct 34 ms 8536 KB n = 16
32 Correct 34 ms 8536 KB n = 16
33 Correct 33 ms 8540 KB n = 16
34 Correct 38 ms 8624 KB n = 16
35 Correct 37 ms 8536 KB n = 16
36 Correct 19 ms 8540 KB n = 15
37 Correct 2 ms 8540 KB n = 8
38 Correct 42 ms 8540 KB n = 16
39 Correct 40 ms 8540 KB n = 16
40 Correct 2 ms 8540 KB n = 9
41 Correct 34 ms 8540 KB n = 16
42 Correct 39 ms 8540 KB n = 16
43 Correct 33 ms 8540 KB n = 16
44 Correct 2 ms 8540 KB n = 9
45 Correct 18 ms 8540 KB n = 15
46 Correct 38 ms 8536 KB n = 16
47 Correct 39 ms 8536 KB n = 16
48 Correct 39 ms 8616 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 41 ms 23380 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 2 ms 8540 KB n = 2
2 Correct 2 ms 8560 KB n = 2
3 Correct 2 ms 8540 KB n = 2
4 Correct 2 ms 8612 KB n = 2
5 Correct 2 ms 8540 KB n = 2
6 Correct 2 ms 8540 KB n = 2
7 Correct 2 ms 8540 KB n = 3
8 Correct 2 ms 8540 KB n = 3
9 Correct 2 ms 8540 KB n = 3
10 Correct 2 ms 8540 KB n = 8
11 Correct 2 ms 8796 KB n = 8
12 Correct 2 ms 8540 KB n = 8
13 Correct 2 ms 8648 KB n = 8
14 Correct 2 ms 8540 KB n = 8
15 Correct 2 ms 8536 KB n = 8
16 Correct 2 ms 8540 KB n = 8
17 Correct 2 ms 8632 KB n = 8
18 Correct 2 ms 8540 KB n = 8
19 Correct 2 ms 8540 KB n = 3
20 Correct 2 ms 8540 KB n = 7
21 Correct 2 ms 8540 KB n = 8
22 Correct 2 ms 8540 KB n = 8
23 Correct 2 ms 8540 KB n = 8
24 Correct 2 ms 8540 KB n = 8
25 Correct 2 ms 8540 KB n = 8
26 Correct 2 ms 8540 KB n = 8
27 Correct 2 ms 8540 KB n = 8
28 Correct 2 ms 8540 KB n = 8
29 Correct 35 ms 8536 KB n = 16
30 Correct 38 ms 8540 KB n = 16
31 Correct 34 ms 8536 KB n = 16
32 Correct 34 ms 8536 KB n = 16
33 Correct 33 ms 8540 KB n = 16
34 Correct 38 ms 8624 KB n = 16
35 Correct 37 ms 8536 KB n = 16
36 Correct 19 ms 8540 KB n = 15
37 Correct 2 ms 8540 KB n = 8
38 Correct 42 ms 8540 KB n = 16
39 Correct 40 ms 8540 KB n = 16
40 Correct 2 ms 8540 KB n = 9
41 Correct 34 ms 8540 KB n = 16
42 Correct 39 ms 8540 KB n = 16
43 Correct 33 ms 8540 KB n = 16
44 Correct 2 ms 8540 KB n = 9
45 Correct 18 ms 8540 KB n = 15
46 Correct 38 ms 8536 KB n = 16
47 Correct 39 ms 8536 KB n = 16
48 Correct 39 ms 8616 KB n = 16
49 Runtime error 41 ms 23380 KB Execution killed with signal 11
50 Halted 0 ms 0 KB -