| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 916517 |
2024-01-26T03:32:40 Z |
NK_ |
Village (BOI20_village) |
C++17 |
|
67 ms |
19312 KB |
// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define pb push_back
#define sz(x) int(x.size())
using ll = long long;
template<class T> using V = vector<T>;
using vi = V<int>;
int main() {
cin.tie(0)->sync_with_stdio(0);
int N; cin >> N;
V<vi> adj(N); for(int i = 0; i < N - 1; i++) {
int u, v; cin >> u >> v; --u, --v;
adj[u].pb(v);
adj[v].pb(u);
}
vi sub(N); function<void(int, int)> gen = [&](int u, int p) {
sub[u] = 1;
for(auto& v : adj[u]) if (v != p) {
gen(v, u); sub[u] += sub[v];
}
};
function<int(int, int)> find = [&](int u, int p) {
for(auto& v : adj[u]) if (v != p) {
if (2 * sub[v] >= N) return find(v, u);
}
return u;
};
gen(0, -1); int R = find(0, -1);
// cout << R << endl;
ll lans = 0, gans = 0;
vi L(N), G(N); iota(begin(L), end(L), 0);
vi ord;
function<int(int, int)> answer = [&](int u, int p) {
ord.pb(u); sub[u] = 1;
vi chd = {u};
for(auto& v : adj[u]) if (v != p) {
int r = answer(v, u);
sub[u] += sub[v];
gans += 2 * sub[v];
if (r != -1) chd.pb(r);
}
if (sz(chd) == 1) {
lans += 2;
return chd[0];
}
for(int i = 0; i < sz(chd); i++) {
int j = (i + 1) % sz(chd);
L[chd[j]] = chd[i];
}
return -1;
};
int r = answer(R, -1);
if (r != -1) {
for(auto& v : adj[R]) {
swap(L[R], L[v]);
break;
}
}
int mx = 0;
for(auto& v : adj[R]) mx = max(mx, sub[v]);
for(int x = 0; x < N; x++) {
int y = (x + mx) % N;
G[ord[y]] = ord[x];
}
cout << lans << " " << gans << nl;
for(auto& x : L) cout << x + 1 << " ";
cout << nl;
for(auto& x : G) cout << x + 1 << " ";
cout << nl;
exit(0-0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
408 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
604 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
600 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
408 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
604 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
600 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
348 KB |
Output is correct |
| 38 |
Correct |
1 ms |
348 KB |
Output is correct |
| 39 |
Correct |
1 ms |
344 KB |
Output is correct |
| 40 |
Correct |
1 ms |
348 KB |
Output is correct |
| 41 |
Correct |
1 ms |
344 KB |
Output is correct |
| 42 |
Correct |
1 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
344 KB |
Output is correct |
| 44 |
Correct |
1 ms |
348 KB |
Output is correct |
| 45 |
Correct |
1 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
348 KB |
Output is correct |
| 47 |
Correct |
1 ms |
348 KB |
Output is correct |
| 48 |
Correct |
44 ms |
8192 KB |
Output is correct |
| 49 |
Correct |
52 ms |
8908 KB |
Output is correct |
| 50 |
Correct |
47 ms |
8912 KB |
Output is correct |
| 51 |
Correct |
37 ms |
6860 KB |
Output is correct |
| 52 |
Correct |
45 ms |
8652 KB |
Output is correct |
| 53 |
Correct |
41 ms |
7892 KB |
Output is correct |
| 54 |
Correct |
27 ms |
9484 KB |
Output is correct |
| 55 |
Correct |
67 ms |
19312 KB |
Output is correct |
| 56 |
Correct |
52 ms |
13692 KB |
Output is correct |
| 57 |
Correct |
56 ms |
11980 KB |
Output is correct |
| 58 |
Correct |
48 ms |
10700 KB |
Output is correct |
| 59 |
Correct |
47 ms |
8908 KB |
Output is correct |
| 60 |
Correct |
35 ms |
9408 KB |
Output is correct |
| 61 |
Correct |
36 ms |
9264 KB |
Output is correct |
| 62 |
Correct |
37 ms |
9192 KB |
Output is correct |
| 63 |
Correct |
35 ms |
8664 KB |
Output is correct |
| 64 |
Correct |
42 ms |
9172 KB |
Output is correct |
| 65 |
Correct |
39 ms |
9176 KB |
Output is correct |
| 66 |
Correct |
42 ms |
8640 KB |
Output is correct |
| 67 |
Correct |
26 ms |
7124 KB |
Output is correct |
| 68 |
Correct |
33 ms |
7880 KB |
Output is correct |
| 69 |
Correct |
36 ms |
9352 KB |
Output is correct |
| 70 |
Correct |
40 ms |
8648 KB |
Output is correct |
| 71 |
Correct |
26 ms |
6600 KB |
Output is correct |
| 72 |
Correct |
30 ms |
7376 KB |
Output is correct |
| 73 |
Correct |
52 ms |
9416 KB |
Output is correct |
| 74 |
Correct |
34 ms |
8396 KB |
Output is correct |
| 75 |
Correct |
42 ms |
8648 KB |
Output is correct |
| 76 |
Correct |
44 ms |
8652 KB |
Output is correct |
| 77 |
Correct |
42 ms |
8736 KB |
Output is correct |
| 78 |
Correct |
27 ms |
6076 KB |
Output is correct |
| 79 |
Correct |
31 ms |
7168 KB |
Output is correct |
| 80 |
Correct |
44 ms |
8644 KB |
Output is correct |
| 81 |
Correct |
36 ms |
8908 KB |
Output is correct |
| 82 |
Correct |
38 ms |
8920 KB |
Output is correct |
