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Submission #777858

# Submission time Handle Problem Language Result Execution time Memory
777858 2023-07-09T19:19:56 Z t6twotwo Swapping Cities (APIO20_swap) C++17
0 / 100
 2000 ms 5864 KB 
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
int N;
vector<tuple<int, int, int>> edges;
constexpr int inf = 2e9;
void init(int n, int M, vector<int> U, vector<int> V, vector<int> W) {
    N = n;
    for (int i = 0; i < M; i++) {
        edges.emplace_back(W[i], U[i], V[i]);
    }
    sort(edges.begin(), edges.end());
}
int getMinimumFuelCapacity(int X, int Y) {
    vector<int> p(N);
    iota(p.begin(), p.end(), 0);
    function<int(int)> find = [&](int x) {
        return x == p[x] ? x : p[x] = find(p[x]);
    };
    vector<int> sz(N, 1), cnt(N);
    auto unite = [&](int x, int y) {
        x = find(x);
        y = find(y);
        if (x == y) {
            cnt[x]++;
            return;
        }
        if (sz[x] > sz[y]) {
            swap(x, y);
        }
        p[x] = y;
        sz[y] += sz[x];
        cnt[y] += cnt[x] + 1;
    };
    for (auto [z, x, y] : edges) {
        unite(x, y);
        if (find(X) == find(Y)) {
            if (cnt[find(X)] >= sz[find(X)]) {
                return z;
            }
        }
    }
    return -1;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 34 ms 3964 KB Output is correct
10 Correct 51 ms 4376 KB Output is correct
11 Correct 58 ms 4380 KB Output is correct
12 Correct 55 ms 4540 KB Output is correct
13 Correct 51 ms 4472 KB Output is correct
14 Execution timed out 2057 ms 4212 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Execution timed out 2080 ms 5864 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Incorrect 1 ms 340 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 34 ms 3964 KB Output is correct
11 Correct 51 ms 4376 KB Output is correct
12 Correct 58 ms 4380 KB Output is correct
13 Correct 55 ms 4540 KB Output is correct
14 Correct 51 ms 4472 KB Output is correct
15 Incorrect 1 ms 340 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 34 ms 3964 KB Output is correct
10 Correct 51 ms 4376 KB Output is correct
11 Correct 58 ms 4380 KB Output is correct
12 Correct 55 ms 4540 KB Output is correct
13 Correct 51 ms 4472 KB Output is correct
14 Execution timed out 2057 ms 4212 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 34 ms 3964 KB Output is correct
11 Correct 51 ms 4376 KB Output is correct
12 Correct 58 ms 4380 KB Output is correct
13 Correct 55 ms 4540 KB Output is correct
14 Correct 51 ms 4472 KB Output is correct
15 Execution timed out 2057 ms 4212 KB Time limit exceeded
16 Halted 0 ms 0 KB -