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Submission #100046

# Submission time Handle Problem Language Result Execution time Memory
100046 2019-03-09T07:26:20 Z tqbfjotld Roller Coaster Railroad (IOI16_railroad) C++14
34 / 100
 108 ms 27728 KB 
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> s_;
vector<int> t_;
long long mem[17][65537];




long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = (int) s.size();
    /*if (n<=8){
        vector<int> v;
        for (int x = 0; x<n; x++){
            v.push_back(x);

        }
        long long ans = 999999999999999;
        long long curans = 0;
        for (int x = 1; x<n; x++){
            curans+=(t[x-1]>s[x])?(t[x-1]-s[x]):0;
        }
        ans = min(curans,ans);
        while (next_permutation(v.begin(),v.end())){
            long long curans = 0;
            for (int x = 1; x<n; x++){
                curans+=(t[v[x-1]]>s[v[x]])?(t[v[x-1]]-s[v[x]]):0;
            }
            ans = min(curans,ans);
        }
        return ans;
    }
    else{*/
        memset(mem,-1,sizeof(mem));
        for (int x = 0; x<n; x++){
            s_.push_back(s[x]);
            t_.push_back(t[x]);
        }
        long long fans = 999999999999999;
        for (int bitmask = 0; bitmask<(1<<n); bitmask++){
            for (int cur = 0; cur<n; cur++){
                if (bitmask==0) {mem[cur][bitmask]=0;continue;}
                int cop = bitmask;
                long long ans = 999999999999999;
                for (int x = 0;cop!=0 ; x++){

                    if ((cop&(1<<x))!=0){
                        ans = min(ans,mem[x][bitmask-(1<<x)]+((t_[cur]>s_[x])?(t_[cur]-s_[x]):0));
                        cop-=(1<<x);
                    }
                    //printf("%i\n",x);
                }
                mem[cur][bitmask] = ans;

            }


        }
        for (int x = 0; x<n; x++){
            fans = min(fans,mem[x][(1<<n)-1-(1<<x)]);
        }
        return fans;
    //}
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9088 KB n = 2
2 Correct 10 ms 9088 KB n = 2
3 Correct 7 ms 9088 KB n = 2
4 Correct 9 ms 9060 KB n = 2
5 Correct 10 ms 9088 KB n = 2
6 Correct 9 ms 9088 KB n = 2
7 Correct 11 ms 9060 KB n = 3
8 Correct 11 ms 9088 KB n = 3
9 Correct 10 ms 9088 KB n = 3
10 Correct 11 ms 9216 KB n = 8
11 Correct 10 ms 9088 KB n = 8
12 Correct 9 ms 9088 KB n = 8
13 Correct 9 ms 9008 KB n = 8
14 Correct 10 ms 9088 KB n = 8
15 Correct 10 ms 9060 KB n = 8
16 Correct 11 ms 9088 KB n = 8
17 Correct 9 ms 9088 KB n = 8
18 Correct 11 ms 9088 KB n = 8
19 Correct 8 ms 8960 KB n = 3
20 Correct 10 ms 9088 KB n = 7
21 Correct 9 ms 9084 KB n = 8
22 Correct 12 ms 9088 KB n = 8
23 Correct 11 ms 9088 KB n = 8
24 Correct 10 ms 9088 KB n = 8
25 Correct 10 ms 9088 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9088 KB n = 2
2 Correct 10 ms 9088 KB n = 2
3 Correct 7 ms 9088 KB n = 2
4 Correct 9 ms 9060 KB n = 2
5 Correct 10 ms 9088 KB n = 2
6 Correct 9 ms 9088 KB n = 2
7 Correct 11 ms 9060 KB n = 3
8 Correct 11 ms 9088 KB n = 3
9 Correct 10 ms 9088 KB n = 3
10 Correct 11 ms 9216 KB n = 8
11 Correct 10 ms 9088 KB n = 8
12 Correct 9 ms 9088 KB n = 8
13 Correct 9 ms 9008 KB n = 8
14 Correct 10 ms 9088 KB n = 8
15 Correct 10 ms 9060 KB n = 8
16 Correct 11 ms 9088 KB n = 8
17 Correct 9 ms 9088 KB n = 8
18 Correct 11 ms 9088 KB n = 8
19 Correct 8 ms 8960 KB n = 3
20 Correct 10 ms 9088 KB n = 7
21 Correct 9 ms 9084 KB n = 8
22 Correct 12 ms 9088 KB n = 8
23 Correct 11 ms 9088 KB n = 8
24 Correct 10 ms 9088 KB n = 8
25 Correct 10 ms 9088 KB n = 8
26 Correct 12 ms 9088 KB n = 8
27 Correct 10 ms 9088 KB n = 8
28 Correct 9 ms 9088 KB n = 8
29 Correct 65 ms 9088 KB n = 16
30 Correct 73 ms 9208 KB n = 16
31 Correct 67 ms 9080 KB n = 16
32 Correct 64 ms 9208 KB n = 16
33 Correct 42 ms 9076 KB n = 16
34 Correct 71 ms 9080 KB n = 16
35 Correct 80 ms 9208 KB n = 16
36 Correct 47 ms 9084 KB n = 15
37 Correct 9 ms 8960 KB n = 8
38 Correct 81 ms 9088 KB n = 16
39 Correct 87 ms 9080 KB n = 16
40 Correct 10 ms 9020 KB n = 9
41 Correct 51 ms 9080 KB n = 16
42 Correct 68 ms 9212 KB n = 16
43 Correct 44 ms 9088 KB n = 16
44 Correct 9 ms 9088 KB n = 9
45 Correct 41 ms 9088 KB n = 15
46 Correct 79 ms 9080 KB n = 16
47 Correct 76 ms 9080 KB n = 16
48 Correct 76 ms 9088 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 27728 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 9 ms 9088 KB n = 2
2 Correct 10 ms 9088 KB n = 2
3 Correct 7 ms 9088 KB n = 2
4 Correct 9 ms 9060 KB n = 2
5 Correct 10 ms 9088 KB n = 2
6 Correct 9 ms 9088 KB n = 2
7 Correct 11 ms 9060 KB n = 3
8 Correct 11 ms 9088 KB n = 3
9 Correct 10 ms 9088 KB n = 3
10 Correct 11 ms 9216 KB n = 8
11 Correct 10 ms 9088 KB n = 8
12 Correct 9 ms 9088 KB n = 8
13 Correct 9 ms 9008 KB n = 8
14 Correct 10 ms 9088 KB n = 8
15 Correct 10 ms 9060 KB n = 8
16 Correct 11 ms 9088 KB n = 8
17 Correct 9 ms 9088 KB n = 8
18 Correct 11 ms 9088 KB n = 8
19 Correct 8 ms 8960 KB n = 3
20 Correct 10 ms 9088 KB n = 7
21 Correct 9 ms 9084 KB n = 8
22 Correct 12 ms 9088 KB n = 8
23 Correct 11 ms 9088 KB n = 8
24 Correct 10 ms 9088 KB n = 8
25 Correct 10 ms 9088 KB n = 8
26 Correct 12 ms 9088 KB n = 8
27 Correct 10 ms 9088 KB n = 8
28 Correct 9 ms 9088 KB n = 8
29 Correct 65 ms 9088 KB n = 16
30 Correct 73 ms 9208 KB n = 16
31 Correct 67 ms 9080 KB n = 16
32 Correct 64 ms 9208 KB n = 16
33 Correct 42 ms 9076 KB n = 16
34 Correct 71 ms 9080 KB n = 16
35 Correct 80 ms 9208 KB n = 16
36 Correct 47 ms 9084 KB n = 15
37 Correct 9 ms 8960 KB n = 8
38 Correct 81 ms 9088 KB n = 16
39 Correct 87 ms 9080 KB n = 16
40 Correct 10 ms 9020 KB n = 9
41 Correct 51 ms 9080 KB n = 16
42 Correct 68 ms 9212 KB n = 16
43 Correct 44 ms 9088 KB n = 16
44 Correct 9 ms 9088 KB n = 9
45 Correct 41 ms 9088 KB n = 15
46 Correct 79 ms 9080 KB n = 16
47 Correct 76 ms 9080 KB n = 16
48 Correct 76 ms 9088 KB n = 16
49 Runtime error 108 ms 27728 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Halted 0 ms 0 KB -