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Submission #1077938

# Submission time Handle Problem Language Result Execution time Memory
1077938 2024-08-27T10:47:04 Z PanosPask Longest Trip (IOI23_longesttrip) C++17
15 / 100
 21 ms 600 KB 
#include "longesttrip.h"
#define pb push_back

using namespace std;

// Find the first posiion i such that v[i] is connected to i
int find_position(vector<int>& v, int i)
{
    int l = 0;
    int r = v.size();

    while (l + 1 < r) {
        int mid = (l + r) / 2;
        if (are_connected(vector<int>(v.begin(), v.begin() + mid), {i})) {
            r = mid;
        }
        else {
            l = mid;
        }
    }

    return l;
}

vector<int> longest_trip(int N, int D)
{
    vector<int> v1, v2;

    v1.push_back(0);

    for (int i = 1; i < N; i++) {
        if (are_connected(v1, {i})) {
            if (v2.size()) {
                if (are_connected(v2, {i})) {
                    int p1 = find_position(v1, i);
                    int p2 = find_position(v2, i);

                    v1.pb(v1[p1]);
                    v1.erase(v1.begin() + p1);
                    v1.pb(i);
                    v1.pb(v2[p2]);
                    v2.erase(v2.begin() + p2);
                    v1.insert(v1.end(), v2.begin(), v2.end());
                }
                else {
                    v1.pb(i);
                }
            }
            else {
                if (are_connected({v1.back()}, {i})) {
                    v1.pb(i);
                }
                else {
                    int p = find_position(v1, i);
                    v1.insert(v1.end(), v1.begin(), v1.begin() + p);
                    v1.erase(v1.begin(), v1.begin() + p);
                    v1.insert(v1.begin(), i);
                }
            }
        }
        else {
            v2.pb(i);
        }
    }

    if (v1.size() > v2.size()) {
        return v1;
    }
    else {
        return v2;
    }
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 6 ms 600 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 344 KB Output is correct
2 Correct 10 ms 340 KB Output is correct
3 Correct 11 ms 344 KB Output is correct
4 Correct 12 ms 344 KB Output is correct
5 Correct 16 ms 420 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 11 ms 344 KB Output is correct
3 Correct 14 ms 344 KB Output is correct
4 Correct 13 ms 344 KB Output is correct
5 Correct 16 ms 344 KB Output is correct
6 Correct 11 ms 344 KB Output is correct
7 Correct 11 ms 344 KB Output is correct
8 Correct 11 ms 344 KB Output is correct
9 Correct 10 ms 344 KB Output is correct
10 Correct 15 ms 452 KB Output is correct
11 Correct 15 ms 344 KB Output is correct
12 Correct 15 ms 452 KB Output is correct
13 Correct 18 ms 344 KB Output is correct

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 344 KB Output is correct
2 Correct 9 ms 344 KB Output is correct
3 Correct 14 ms 344 KB Output is correct
4 Correct 17 ms 600 KB Output is correct
5 Correct 16 ms 344 KB Output is correct
6 Correct 6 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 11 ms 344 KB Output is correct
9 Correct 12 ms 344 KB Output is correct
10 Correct 14 ms 344 KB Output is correct
11 Correct 15 ms 344 KB Output is correct
12 Correct 19 ms 600 KB Output is correct
13 Correct 21 ms 600 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Incorrect 1 ms 344 KB Incorrect
16 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 14 ms 344 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 12 ms 344 KB Output is correct
5 Partially correct 21 ms 344 KB Output is partially correct
6 Correct 5 ms 344 KB Output is correct
7 Correct 11 ms 344 KB Output is correct
8 Correct 11 ms 344 KB Output is correct
9 Correct 12 ms 344 KB Output is correct
10 Partially correct 17 ms 344 KB Output is partially correct
11 Partially correct 15 ms 344 KB Output is partially correct
12 Partially correct 16 ms 344 KB Output is partially correct
13 Partially correct 18 ms 344 KB Output is partially correct
14 Correct 7 ms 344 KB Output is correct
15 Incorrect 1 ms 344 KB Incorrect
16 Halted 0 ms 0 KB -