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Submission #993207

# Submission time Handle Problem Language Result Execution time Memory
993207 2024-06-05T12:40:27 Z stdfloat Longest Trip (IOI23_longesttrip) C++17
0 / 100
 1000 ms 344 KB 
#include "bits/stdc++.h"
#include "longesttrip.h"
using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //mt19937_64 for ll

int rnd(int l, int r) {
    return l + rng() % (r - l + 1);
}

vector<int> longest_trip(int n, int D) {
    vector<int> v = {rnd(0, n - 1)};
    vector<bool> vis(n); vis[v[0]] = true;
    while ((int)v.size() <= ((n + 1) >> 1)) {
        bool tr = false;
        for (int i = 0; i < n && !tr; i++) {
            if (!vis[i] && are_connected({v.back()}, {i})) {
                v.push_back(i);
                tr = vis[i] = true;
            }
        }

        if (!tr) v.pop_back();
    }

    return v;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Incorrect
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Incorrect
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 6 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Execution timed out 3031 ms 344 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB Incorrect
3 Halted 0 ms 0 KB -