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Submission #948369

# Submission time Handle Problem Language Result Execution time Memory
948369 2024-03-18T04:55:49 Z Trisanu_Das Longest Trip (IOI23_longesttrip) C++17
100 / 100
 10 ms 852 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
 
vector<int> longest_trip(int N, int D) {
    vector<int> s1({0}),s2({1});
    auto mrg = [&]() {
        while (!s2.empty()) {
            s1.push_back(s2.back());
            s2.pop_back();
        }
    };
    bool sep = false;
    for (int i = 2; i < N; ++i) {
        if (are_connected({s1.back()}, {i})) {
            s1.push_back(i);
            sep = false;
        } else if (sep || are_connected({s2.back()}, {i})) {
            s2.push_back(i);
            sep = true;
        } else {
            mrg();
            s2.push_back(i);
        }
    }
    if (!are_connected(s1, s2)) return s1.size() >= s2.size() ? s1 : s2;
    auto rot = [&](vector<int>& a, const vector<int>& b) {
        if (are_connected(b,{a.front()})) {
            reverse(a.begin(),a.end());
            return;
        }
        int lo = 0, hi = a.size();
        while (hi-lo>1) {
            int mid = (lo+hi)/2;
            vector<int> v;
            for (int i = mid; i < hi; ++i) v.push_back(a[i]);
            if (!are_connected(b, v)) hi = mid;
            else lo = mid;
        }
        rotate(a.begin(),a.begin()+hi,a.end());
    };
    rot(s2,s1);
    rot(s1,{s2.back()});
    mrg();
    return s1;
}

Subtask #0
0.0 / 0.0

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

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 352 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 7 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 4 ms 432 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 5 ms 600 KB Output is correct
12 Correct 5 ms 852 KB Output is correct
13 Correct 4 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 6 ms 600 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 6 ms 344 KB Output is correct
17 Correct 5 ms 344 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 6 ms 600 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 5 ms 344 KB Output is correct
22 Correct 5 ms 440 KB Output is correct
23 Correct 5 ms 428 KB Output is correct
24 Correct 5 ms 436 KB Output is correct
25 Correct 6 ms 344 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 5 ms 344 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 7 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 6 ms 344 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 5 ms 344 KB Output is correct
34 Correct 4 ms 344 KB Output is correct
35 Correct 4 ms 344 KB Output is correct
36 Correct 4 ms 344 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 6 ms 344 KB Output is correct
39 Correct 5 ms 344 KB Output is correct
40 Correct 8 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct
42 Correct 5 ms 344 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 340 KB Output is correct
45 Correct 10 ms 344 KB Output is correct
46 Correct 10 ms 344 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 8 ms 344 KB Output is correct
49 Correct 9 ms 344 KB Output is correct
50 Correct 5 ms 344 KB Output is correct
51 Correct 6 ms 344 KB Output is correct
52 Correct 7 ms 344 KB Output is correct
53 Correct 5 ms 344 KB Output is correct
54 Correct 5 ms 600 KB Output is correct
55 Correct 5 ms 600 KB Output is correct
56 Correct 4 ms 344 KB Output is correct
57 Correct 6 ms 344 KB Output is correct
58 Correct 6 ms 344 KB Output is correct
59 Correct 6 ms 600 KB Output is correct
60 Correct 6 ms 436 KB Output is correct
61 Correct 6 ms 344 KB Output is correct
62 Correct 7 ms 344 KB Output is correct
63 Correct 6 ms 344 KB Output is correct
64 Correct 7 ms 344 KB Output is correct

Subtask #4
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 6 ms 344 KB Output is correct
16 Correct 6 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 5 ms 436 KB Output is correct
20 Correct 6 ms 596 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 5 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 5 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 596 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 6 ms 596 KB Output is correct
32 Correct 9 ms 344 KB Output is correct
33 Correct 8 ms 344 KB Output is correct
34 Correct 8 ms 344 KB Output is correct
35 Correct 7 ms 344 KB Output is correct
36 Correct 8 ms 808 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Correct 7 ms 344 KB Output is correct
39 Correct 6 ms 344 KB Output is correct
40 Correct 5 ms 344 KB Output is correct
41 Correct 6 ms 600 KB Output is correct
42 Correct 5 ms 600 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 6 ms 444 KB Output is correct
45 Correct 6 ms 432 KB Output is correct
46 Correct 5 ms 440 KB Output is correct
47 Correct 5 ms 600 KB Output is correct
48 Correct 4 ms 344 KB Output is correct
49 Correct 5 ms 600 KB Output is correct
50 Correct 5 ms 600 KB Output is correct
51 Correct 5 ms 344 KB Output is correct
52 Correct 6 ms 344 KB Output is correct
53 Correct 5 ms 344 KB Output is correct
54 Correct 5 ms 600 KB Output is correct
55 Correct 5 ms 344 KB Output is correct
56 Correct 4 ms 344 KB Output is correct
57 Correct 5 ms 600 KB Output is correct
58 Correct 6 ms 344 KB Output is correct
59 Correct 5 ms 344 KB Output is correct
60 Correct 7 ms 416 KB Output is correct
61 Correct 5 ms 344 KB Output is correct
62 Correct 5 ms 344 KB Output is correct
63 Correct 6 ms 344 KB Output is correct
64 Correct 5 ms 344 KB Output is correct
65 Correct 6 ms 440 KB Output is correct
66 Correct 7 ms 444 KB Output is correct
67 Correct 7 ms 600 KB Output is correct
68 Correct 6 ms 340 KB Output is correct
69 Correct 6 ms 600 KB Output is correct
70 Correct 7 ms 600 KB Output is correct
71 Correct 6 ms 344 KB Output is correct
72 Correct 5 ms 344 KB Output is correct
73 Correct 6 ms 604 KB Output is correct
74 Correct 6 ms 444 KB Output is correct
75 Correct 6 ms 344 KB Output is correct
76 Correct 6 ms 344 KB Output is correct
77 Correct 5 ms 600 KB Output is correct
78 Correct 5 ms 344 KB Output is correct
79 Correct 6 ms 344 KB Output is correct
80 Correct 6 ms 604 KB Output is correct
81 Correct 7 ms 344 KB Output is correct
82 Correct 6 ms 344 KB Output is correct