oj.uz

Submission #960128

# Submission time Handle Problem Language Result Execution time Memory
960128 2024-04-09T17:28:45 Z tutis Longest Trip (IOI23_longesttrip) C++17
70 / 100
 27 ms 1388 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng(0);
 
std::vector<int> longest_trip(int N, int D)
{
    vector<int>x,y;
    x.push_back(0);
    for(int i=1;i<N;i++){
        if(are_connected({0}, {i})){
            x.push_back(i);
        } else{
            y.push_back(i);
        }
    }
    if(y.size()>0 && !are_connected(x,y)){
        if(x.size()>y.size()){
            return x;
        } else{
            return y;
        }
    }
    if(y.empty()){
        vector<int>ans;
        vector<int>p;
        ans.push_back({1});
        for(int i=2;i<N;i++){
            p.push_back(i);
        }
        while(!p.empty()){
            shuffle(p.begin(),p.end(),rng);
            if(!are_connected({ans.back()}, p)){
                break;
            }
            for(int i: p){
                if(are_connected({ans.back()}, {i})){
                    ans.push_back(i);
                    p.erase(find(p.begin(),p.end(), i));
                    break;
                }
            }
        }
        ans.push_back(0);
        for(int i: p){
            ans.push_back(i);
        }
        return ans;
    }
    vector<int>y_;
    for(int i=0;i<N;i++){
        if(find(y.begin(),y.end(),i)==y.end()){
            y_.push_back(i);
        }
    }
    int lo=0;
    int hi=y.size()-1;
    while(lo<hi){
        int m=(lo+hi)/2;
        vector<int>vv;
        for(int i=lo;i<=m;i++){
            vv.push_back(y[i]);
        }
        if(are_connected(vv, y_)){
            hi=m;
        } else{
            lo=m+1;
        }
    }
    swap(y[y.size()-1], y[lo]);
    vector<int>ans=y;
    vector<int>p;
    for(int i=1;i<N;i++){
        if(find(y.begin(),y.end(),i)==y.end()){
            p.push_back(i);
        }
    }
    while(!p.empty()){
        shuffle(p.begin(),p.end(),rng);
        if(!are_connected({ans.back()}, p)){
            break;
        }
        for(int i: p){
            if(are_connected({ans.back()}, {i})){
                ans.push_back(i);
                p.erase(find(p.begin(),p.end(), i));
                break;
            }
        }
    }
    ans.push_back(0);
    for(int i: p){
        ans.push_back(i);
    }
    return ans;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 5 ms 716 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 12 ms 344 KB Output is correct
3 Correct 15 ms 344 KB Output is correct
4 Correct 22 ms 608 KB Output is correct
5 Correct 24 ms 720 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 12 ms 344 KB Output is correct
3 Correct 15 ms 344 KB Output is correct
4 Correct 18 ms 604 KB Output is correct
5 Correct 22 ms 476 KB Output is correct
6 Correct 11 ms 344 KB Output is correct
7 Correct 13 ms 344 KB Output is correct
8 Correct 14 ms 692 KB Output is correct
9 Correct 19 ms 604 KB Output is correct
10 Correct 23 ms 724 KB Output is correct
11 Correct 22 ms 724 KB Output is correct
12 Correct 27 ms 468 KB Output is correct
13 Correct 24 ms 724 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 12 ms 344 KB Output is correct
3 Correct 16 ms 344 KB Output is correct
4 Correct 18 ms 444 KB Output is correct
5 Correct 25 ms 632 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 14 ms 344 KB Output is correct
8 Correct 16 ms 344 KB Output is correct
9 Correct 20 ms 436 KB Output is correct
10 Correct 24 ms 632 KB Output is correct
11 Correct 24 ms 728 KB Output is correct
12 Correct 26 ms 720 KB Output is correct
13 Correct 26 ms 880 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 15 ms 344 KB Output is correct
17 Correct 14 ms 440 KB Output is correct
18 Correct 15 ms 344 KB Output is correct
19 Correct 16 ms 448 KB Output is correct
20 Correct 15 ms 444 KB Output is correct
21 Correct 22 ms 624 KB Output is correct
22 Correct 22 ms 624 KB Output is correct
23 Correct 22 ms 1224 KB Output is correct
24 Correct 21 ms 1220 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 6 ms 344 KB Output is correct
30 Correct 4 ms 344 KB Output is correct
31 Correct 4 ms 344 KB Output is correct
32 Correct 5 ms 344 KB Output is correct
33 Correct 6 ms 344 KB Output is correct
34 Correct 5 ms 344 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 4 ms 344 KB Output is correct
39 Correct 4 ms 600 KB Output is correct
40 Correct 6 ms 440 KB Output is correct
41 Correct 4 ms 344 KB Output is correct
42 Correct 5 ms 600 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 608 KB Output is correct
45 Correct 11 ms 344 KB Output is correct
46 Correct 9 ms 344 KB Output is correct
47 Correct 14 ms 344 KB Output is correct
48 Correct 17 ms 344 KB Output is correct
49 Correct 13 ms 344 KB Output is correct
50 Correct 17 ms 436 KB Output is correct
51 Correct 11 ms 444 KB Output is correct
52 Correct 11 ms 344 KB Output is correct
53 Correct 23 ms 600 KB Output is correct
54 Correct 20 ms 440 KB Output is correct
55 Correct 18 ms 596 KB Output is correct
56 Correct 24 ms 720 KB Output is correct
57 Correct 22 ms 708 KB Output is correct
58 Correct 16 ms 712 KB Output is correct
59 Correct 15 ms 868 KB Output is correct
60 Correct 15 ms 712 KB Output is correct
61 Correct 13 ms 452 KB Output is correct
62 Correct 12 ms 448 KB Output is correct
63 Correct 11 ms 608 KB Output is correct
64 Correct 14 ms 444 KB Output is correct

Subtask #4
30.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 13 ms 344 KB Output is correct
3 Correct 17 ms 600 KB Output is correct
4 Correct 20 ms 444 KB Output is correct
5 Partially correct 23 ms 480 KB Output is partially correct
6 Correct 12 ms 344 KB Output is correct
7 Correct 18 ms 344 KB Output is correct
8 Correct 15 ms 556 KB Output is correct
9 Correct 18 ms 604 KB Output is correct
10 Partially correct 25 ms 632 KB Output is partially correct
11 Partially correct 25 ms 1388 KB Output is partially correct
12 Partially correct 23 ms 1132 KB Output is partially correct
13 Partially correct 26 ms 876 KB Output is partially correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 15 ms 344 KB Output is correct
17 Correct 13 ms 344 KB Output is correct
18 Correct 14 ms 344 KB Output is correct
19 Correct 18 ms 680 KB Output is correct
20 Correct 14 ms 436 KB Output is correct
21 Correct 6 ms 344 KB Output is correct
22 Correct 6 ms 344 KB Output is correct
23 Correct 6 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 4 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 4 ms 344 KB Output is correct
32 Correct 10 ms 344 KB Output is correct
33 Correct 11 ms 344 KB Output is correct
34 Correct 17 ms 596 KB Output is correct
35 Correct 15 ms 344 KB Output is correct
36 Correct 13 ms 352 KB Output is correct
37 Correct 17 ms 440 KB Output is correct
38 Correct 11 ms 436 KB Output is correct
39 Correct 13 ms 344 KB Output is correct
40 Correct 21 ms 600 KB Output is correct
41 Correct 19 ms 444 KB Output is correct
42 Correct 16 ms 440 KB Output is correct
43 Partially correct 22 ms 456 KB Output is partially correct
44 Partially correct 22 ms 724 KB Output is partially correct
45 Partially correct 21 ms 976 KB Output is partially correct
46 Partially correct 23 ms 464 KB Output is partially correct
47 Correct 5 ms 340 KB Output is correct
48 Correct 4 ms 344 KB Output is correct
49 Correct 4 ms 436 KB Output is correct
50 Correct 4 ms 600 KB Output is correct
51 Correct 4 ms 600 KB Output is correct
52 Correct 5 ms 852 KB Output is correct
53 Correct 5 ms 344 KB Output is correct
54 Correct 4 ms 344 KB Output is correct
55 Correct 5 ms 344 KB Output is correct
56 Correct 4 ms 344 KB Output is correct
57 Correct 4 ms 344 KB Output is correct
58 Correct 5 ms 436 KB Output is correct
59 Correct 5 ms 344 KB Output is correct
60 Correct 4 ms 600 KB Output is correct
61 Correct 5 ms 344 KB Output is correct
62 Partially correct 27 ms 880 KB Output is partially correct
63 Partially correct 19 ms 720 KB Output is partially correct
64 Partially correct 14 ms 876 KB Output is partially correct
65 Partially correct 15 ms 460 KB Output is partially correct
66 Partially correct 14 ms 696 KB Output is partially correct
67 Partially correct 12 ms 448 KB Output is partially correct
68 Partially correct 14 ms 600 KB Output is partially correct
69 Partially correct 11 ms 704 KB Output is partially correct
70 Partially correct 12 ms 452 KB Output is partially correct
71 Partially correct 26 ms 724 KB Output is partially correct
72 Partially correct 22 ms 716 KB Output is partially correct
73 Partially correct 10 ms 700 KB Output is partially correct
74 Partially correct 14 ms 1108 KB Output is partially correct
75 Partially correct 12 ms 700 KB Output is partially correct
76 Partially correct 13 ms 700 KB Output is partially correct
77 Partially correct 23 ms 472 KB Output is partially correct
78 Partially correct 20 ms 860 KB Output is partially correct
79 Partially correct 19 ms 616 KB Output is partially correct
80 Partially correct 12 ms 712 KB Output is partially correct
81 Partially correct 13 ms 452 KB Output is partially correct
82 Partially correct 12 ms 444 KB Output is partially correct