#include <bits/stdc++.h>
using namespace std;
// #undef _GLIBCXX_DEBUG // disable run-time bound checking, etc
// #pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target("bmi,bmi2,lzcnt,popcnt") // bit manipulation
// #pragma GCC target("movbe") // byte swap
// #pragma GCC target("aes,pclmul,rdrnd") // encryption
// #pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD
// #include <bits/extc++.h>
// using namespace __gnu_pbds;
// template<class T>using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
// template<class T>using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;
#define ll long long
#define INF (ll)1e9+7
#define fo(i, n) for(int i=0;i<((ll)n);i++)
#define deb(x) cout << #x << " = " << x << endl;
#define deb2(x, y) cout << #x << " = " << x << ", " << #y << " = " << y << endl
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define LSOne(S) ((S) & (-S))
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
inline int readint(){ int v = 0; char c; while((c = getchar()) != EOF && c != ' ' && c != '\n'){ v *= 10; v += c - '0'; } return v; }
inline int readintsigned() { int v = 0; int sign = 1; char c = getchar(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } return v * sign; }
inline string readstring() { string s; char c; while ((c = getchar()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } return s; }
template <class result_t=std::chrono::milliseconds,class clock_t=std::chrono::steady_clock,class duration_t = std::chrono::milliseconds>
auto since(std::chrono::time_point<clock_t, duration_t> const& start){return std::chrono::duration_cast<result_t>(clock_t::now() - start);}
typedef pair<int, int> pii;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pl> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<vpii> vvpii;
typedef vector<vpl> vvpl;
vvl adj(100001);
int n, from, to;
int centroid = 0;
vector<pair<int, vi>> fromTree;
int dfs(int pos, int last = -1){
int total = 1;
for(auto v : adj[pos]){
if(last == v) continue;
total += dfs(v, pos);
}
if(total > n/2){
centroid = pos;
return 0;
}
return total;
}
void dfs2(int u, int last){
fromTree[fromTree.size()-1].S.pb(u);
fromTree[fromTree.size()-1].F++;
for(auto v : adj[u]){
if(v == last) continue;
dfs2(v, u);
}
}
pl dfsAns(int u, int last = -1){
pl current = {1, 0}; // amount, travel
for(auto v : adj[u]){
if(v == last) continue;
pl res = dfsAns(v, u);
current.F += res.F;
current.S += res.S+res.F*2LL;
}
return current;
}
int main() {
// cout << fixed << setprecision(20);
// auto start = std::chrono::steady_clock::now(); // since(start).count()
cin.tie(0)->sync_with_stdio(0);
cin >> n;
fo(i, n-1){
cin >> from >> to;
adj[--from].pb(--to);
adj[to].pb(from);
}
if(n == 2){
cout << "2 2\n2 1\n2 1";
exit(0);
}
dfs(0);
vi hiAns(n);
for(auto v : adj[centroid]){
fromTree.pb({0, {}});
dfs2(v, centroid);
}
sort(rall(fromTree));
int last = centroid;
int currentSum = 0;
vl villages;
for(auto subtree : fromTree){
for(auto v : subtree.S) {
villages.pb(v);
}
}
villages.pb(centroid);
fo(i, n){
// deb(i/2+((i%2)^(n%2)?n/2:0));
int current = villages[i/2+((i%2)^(n%2)?n/2:0)];
hiAns[current] = last+1;
last = current;
}
cout << "0 " << dfsAns(centroid).S << "\n";
fo(i, n) cout << hiAns[i] << " ";
cout << "\n";
fo(i, n) cout << hiAns[i] << " ";
return 0;
}
Compilation message
Village.cpp: In function 'int main()':
Village.cpp:111:9: warning: unused variable 'currentSum' [-Wunused-variable]
111 | int currentSum = 0;
| ^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
2 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
5 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
6 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
7 |
Partially correct |
1 ms |
2640 KB |
Partially correct |
8 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
9 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
10 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
11 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
12 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
13 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
14 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
15 |
Partially correct |
2 ms |
2588 KB |
Partially correct |
16 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
17 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
2 |
Partially correct |
3 ms |
2644 KB |
Partially correct |
3 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
4 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
5 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
6 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
7 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
8 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
9 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
10 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
11 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
12 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
13 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
14 |
Partially correct |
2 ms |
2812 KB |
Partially correct |
15 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
16 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
17 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
18 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
19 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
20 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
21 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
22 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
23 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
24 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
25 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
26 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
27 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
28 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
29 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
30 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
2 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
5 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
6 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
7 |
Partially correct |
1 ms |
2640 KB |
Partially correct |
8 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
9 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
10 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
11 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
12 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
13 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
14 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
15 |
Partially correct |
2 ms |
2588 KB |
Partially correct |
16 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
17 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
18 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
19 |
Partially correct |
3 ms |
2644 KB |
Partially correct |
20 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
21 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
22 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
23 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
24 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
25 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
26 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
27 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
28 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
29 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
30 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
31 |
Partially correct |
2 ms |
2812 KB |
Partially correct |
32 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
33 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
34 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
35 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
36 |
Partially correct |
2 ms |
2772 KB |
Partially correct |
37 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
38 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
39 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
40 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
41 |
Partially correct |
1 ms |
2644 KB |
Partially correct |
42 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
43 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
44 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
45 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
46 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
47 |
Partially correct |
2 ms |
2644 KB |
Partially correct |
48 |
Partially correct |
64 ms |
8752 KB |
Partially correct |
49 |
Partially correct |
46 ms |
9440 KB |
Partially correct |
50 |
Partially correct |
71 ms |
9432 KB |
Partially correct |
51 |
Partially correct |
44 ms |
7980 KB |
Partially correct |
52 |
Partially correct |
43 ms |
9432 KB |
Partially correct |
53 |
Partially correct |
47 ms |
8604 KB |
Partially correct |
54 |
Partially correct |
24 ms |
8000 KB |
Partially correct |
55 |
Partially correct |
50 ms |
13288 KB |
Partially correct |
56 |
Partially correct |
56 ms |
12544 KB |
Partially correct |
57 |
Partially correct |
55 ms |
11708 KB |
Partially correct |
58 |
Partially correct |
50 ms |
11132 KB |
Partially correct |
59 |
Partially correct |
49 ms |
10636 KB |
Partially correct |
60 |
Partially correct |
58 ms |
17200 KB |
Partially correct |
61 |
Partially correct |
50 ms |
11900 KB |
Partially correct |
62 |
Partially correct |
38 ms |
10956 KB |
Partially correct |
63 |
Partially correct |
34 ms |
10296 KB |
Partially correct |
64 |
Partially correct |
51 ms |
11052 KB |
Partially correct |
65 |
Partially correct |
36 ms |
11088 KB |
Partially correct |
66 |
Partially correct |
35 ms |
10560 KB |
Partially correct |
67 |
Partially correct |
28 ms |
9544 KB |
Partially correct |
68 |
Partially correct |
40 ms |
9772 KB |
Partially correct |
69 |
Partially correct |
37 ms |
11024 KB |
Partially correct |
70 |
Partially correct |
32 ms |
10688 KB |
Partially correct |
71 |
Partially correct |
27 ms |
8552 KB |
Partially correct |
72 |
Partially correct |
29 ms |
9332 KB |
Partially correct |
73 |
Partially correct |
39 ms |
11112 KB |
Partially correct |
74 |
Partially correct |
32 ms |
10412 KB |
Partially correct |
75 |
Partially correct |
52 ms |
11008 KB |
Partially correct |
76 |
Partially correct |
60 ms |
10528 KB |
Partially correct |
77 |
Partially correct |
41 ms |
10812 KB |
Partially correct |
78 |
Partially correct |
26 ms |
8196 KB |
Partially correct |
79 |
Partially correct |
41 ms |
8924 KB |
Partially correct |
80 |
Partially correct |
45 ms |
11064 KB |
Partially correct |
81 |
Partially correct |
44 ms |
10968 KB |
Partially correct |
82 |
Partially correct |
34 ms |
10696 KB |
Partially correct |