Submission #1094408

# Submission time Handle Problem Language Result Execution time Memory
1094408 2024-09-29T15:01:14 Z mat_jur Village (BOI20_village) C++17
50 / 100
48 ms 16172 KB
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
auto&operator<<(auto &o, pair<auto, auto> p) {o << "(" << p.first << ", " << p.second << ")"; return o;}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{"; for(auto e : x) o<<e<<", "; return o<<"}";}
#define debug(X) cerr << "["#X"]: " << X << '\n';
#else 
#define cerr if(0)cout
#define debug(X) ;
#endif
using ll = long long;
#define all(v) (v).begin(), (v).end()
#define ssize(x) int(x.size())
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back

void dfs(int v, int p, vector<int> &match, const vector<vector<int>> &g) {
	for (int u : g[v]) {
		if (u == p) continue;
		dfs(u, v, match, g);
	}

	if (match[v] != -1) return;

	for (int u : g[v]) {
		if (match[u] == -1) {
			match[v] = u;
			match[u] = v;
		}
	}
}

vector<int> matching(const vector<vector<int>> &g) {
	int n = ssize(g);
	vector<int> match(n, -1);

	dfs(0, -1, match, g);

	return match;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(nullptr);

	int n;
	cin >> n;
	vector<vector<int>> g(n);

	for (int i = 0; i < n-1; ++i) {
		int u, v;
		cin >> u >> v;
		g[u-1].eb(v-1);
		g[v-1].eb(u-1);
	}

	vector<int> match = matching(g);

	int mn = n;

	for (int v = 0; v < n; ++v) {
		if (match[v] != -1) continue;
		mn++;
		int u = g[v][0];
		match[v] = match[u];
		match[u] = v;
	}

	cout << mn << ' ' << mn << '\n';
	for (int x : match) cout << x+1 << ' ';
	cout << '\n';
	for (int x : match) cout << x+1 << ' ';
	cout << '\n';
	
	return 0;
}
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct
3 Correct 0 ms 452 KB Output is correct
4 Partially correct 0 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 1 ms 348 KB Partially correct
7 Correct 0 ms 456 KB Output is correct
8 Partially correct 1 ms 348 KB Partially correct
9 Partially correct 0 ms 348 KB Partially correct
10 Partially correct 0 ms 348 KB Partially correct
11 Partially correct 0 ms 348 KB Partially correct
12 Partially correct 0 ms 348 KB Partially correct
13 Partially correct 0 ms 348 KB Partially correct
14 Correct 0 ms 348 KB Output is correct
15 Partially correct 0 ms 348 KB Partially correct
16 Partially correct 0 ms 348 KB Partially correct
17 Partially correct 0 ms 348 KB Partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct
3 Partially correct 1 ms 348 KB Partially correct
4 Partially correct 1 ms 348 KB Partially correct
5 Partially correct 1 ms 344 KB Partially correct
6 Partially correct 0 ms 348 KB Partially correct
7 Partially correct 1 ms 348 KB Partially correct
8 Partially correct 1 ms 344 KB Partially correct
9 Partially correct 1 ms 348 KB Partially correct
10 Partially correct 1 ms 348 KB Partially correct
11 Partially correct 1 ms 344 KB Partially correct
12 Correct 1 ms 348 KB Output is correct
13 Partially correct 1 ms 348 KB Partially correct
14 Partially correct 1 ms 348 KB Partially correct
15 Partially correct 1 ms 348 KB Partially correct
16 Partially correct 1 ms 600 KB Partially correct
17 Partially correct 1 ms 348 KB Partially correct
18 Partially correct 1 ms 492 KB Partially correct
19 Partially correct 1 ms 348 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 0 ms 348 KB Partially correct
22 Partially correct 1 ms 348 KB Partially correct
23 Partially correct 1 ms 344 KB Partially correct
24 Partially correct 1 ms 344 KB Partially correct
25 Partially correct 0 ms 348 KB Partially correct
26 Partially correct 1 ms 348 KB Partially correct
27 Partially correct 1 ms 348 KB Partially correct
28 Partially correct 1 ms 348 KB Partially correct
29 Partially correct 1 ms 348 KB Partially correct
30 Partially correct 1 ms 348 KB Partially correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Partially correct
2 Partially correct 0 ms 348 KB Partially correct
3 Correct 0 ms 452 KB Output is correct
4 Partially correct 0 ms 348 KB Partially correct
5 Partially correct 0 ms 348 KB Partially correct
6 Partially correct 1 ms 348 KB Partially correct
7 Correct 0 ms 456 KB Output is correct
8 Partially correct 1 ms 348 KB Partially correct
9 Partially correct 0 ms 348 KB Partially correct
10 Partially correct 0 ms 348 KB Partially correct
11 Partially correct 0 ms 348 KB Partially correct
12 Partially correct 0 ms 348 KB Partially correct
13 Partially correct 0 ms 348 KB Partially correct
14 Correct 0 ms 348 KB Output is correct
15 Partially correct 0 ms 348 KB Partially correct
16 Partially correct 0 ms 348 KB Partially correct
17 Partially correct 0 ms 348 KB Partially correct
18 Partially correct 1 ms 348 KB Partially correct
19 Partially correct 0 ms 348 KB Partially correct
20 Partially correct 1 ms 348 KB Partially correct
21 Partially correct 1 ms 348 KB Partially correct
22 Partially correct 1 ms 344 KB Partially correct
23 Partially correct 0 ms 348 KB Partially correct
24 Partially correct 1 ms 348 KB Partially correct
25 Partially correct 1 ms 344 KB Partially correct
26 Partially correct 1 ms 348 KB Partially correct
27 Partially correct 1 ms 348 KB Partially correct
28 Partially correct 1 ms 344 KB Partially correct
29 Correct 1 ms 348 KB Output is correct
30 Partially correct 1 ms 348 KB Partially correct
31 Partially correct 1 ms 348 KB Partially correct
32 Partially correct 1 ms 348 KB Partially correct
33 Partially correct 1 ms 600 KB Partially correct
34 Partially correct 1 ms 348 KB Partially correct
35 Partially correct 1 ms 492 KB Partially correct
36 Partially correct 1 ms 348 KB Partially correct
37 Partially correct 1 ms 348 KB Partially correct
38 Partially correct 0 ms 348 KB Partially correct
39 Partially correct 1 ms 348 KB Partially correct
40 Partially correct 1 ms 344 KB Partially correct
41 Partially correct 1 ms 344 KB Partially correct
42 Partially correct 0 ms 348 KB Partially correct
43 Partially correct 1 ms 348 KB Partially correct
44 Partially correct 1 ms 348 KB Partially correct
45 Partially correct 1 ms 348 KB Partially correct
46 Partially correct 1 ms 348 KB Partially correct
47 Partially correct 1 ms 348 KB Partially correct
48 Partially correct 32 ms 8028 KB Partially correct
49 Partially correct 38 ms 8648 KB Partially correct
50 Partially correct 35 ms 8788 KB Partially correct
51 Partially correct 25 ms 6744 KB Partially correct
52 Partially correct 34 ms 8540 KB Partially correct
53 Partially correct 34 ms 7764 KB Partially correct
54 Partially correct 23 ms 8020 KB Partially correct
55 Partially correct 48 ms 16172 KB Partially correct
56 Partially correct 42 ms 12108 KB Partially correct
57 Partially correct 41 ms 10836 KB Partially correct
58 Partially correct 39 ms 9804 KB Partially correct
59 Partially correct 35 ms 8784 KB Partially correct
60 Correct 26 ms 8916 KB Output is correct
61 Partially correct 28 ms 9128 KB Partially correct
62 Partially correct 34 ms 8968 KB Partially correct
63 Partially correct 38 ms 8636 KB Partially correct
64 Partially correct 33 ms 9040 KB Partially correct
65 Partially correct 35 ms 9052 KB Partially correct
66 Partially correct 35 ms 8540 KB Partially correct
67 Partially correct 25 ms 6608 KB Partially correct
68 Partially correct 31 ms 7616 KB Partially correct
69 Partially correct 30 ms 9104 KB Partially correct
70 Partially correct 46 ms 8568 KB Partially correct
71 Partially correct 29 ms 6472 KB Partially correct
72 Partially correct 28 ms 7276 KB Partially correct
73 Partially correct 33 ms 9112 KB Partially correct
74 Partially correct 39 ms 8312 KB Partially correct
75 Partially correct 40 ms 8596 KB Partially correct
76 Partially correct 35 ms 8560 KB Partially correct
77 Partially correct 33 ms 8668 KB Partially correct
78 Partially correct 29 ms 6108 KB Partially correct
79 Partially correct 26 ms 7004 KB Partially correct
80 Partially correct 39 ms 8540 KB Partially correct
81 Partially correct 44 ms 8764 KB Partially correct
82 Partially correct 33 ms 8784 KB Partially correct