Submission #3571265
Source Code Expand
// Ala be zekrellah tatmaenolgholoob ... #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pii; #define F first #define S second #define MP make_pair const int maxn = 1e5+9; const ll mod = 1e9+7; vector <int> g[maxn], vec, tmp, ans; int deg[maxn]; bool vis[maxn]; int dfs (int v, int parent = -1) { int mx = 0; for (auto u : g[v]) { if (u == parent) continue; mx = max(mx, dfs(u, v) + 1); } return mx; } ll cal () { while (vec.size()) { tmp.clear(); int mx = 0; for (auto v : vec) { mx = max(mx, deg[v]); for (auto u : g[v]) { if (vis[u]) continue; vis[u] = true; deg[u]--; tmp.push_back(u); } } vec = tmp; if (mx) ans.push_back(mx); } ll res = 1; for (auto x : ans) res *= x; return res; } void setdeg (int n) { for (int i = 0; i < n; i++) deg[i] = g[i].size(); } int main () { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; for (int i = 0; i < n - 1; i++) { int v, u; cin >> v >> u; --v; --u; g[v].push_back(u); g[u].push_back(v); } int mn = 1e9; for (int i = 0; i < n; i++) { int d = dfs(i); if (d < mn) { vec.clear(); mn = d; } if (d == mn) vec.push_back(i); } ll res = 0; if (vec.size() == 2) { setdeg(n); ans.push_back(2); vis[vec[0]] = true; vis[vec[1]] = true; deg[vec[0]]--; deg[vec[1]]--; res = cal(); cout << mn << " " << res << "\n"; } else { int v = vec[0]; setdeg(n); vis[v] = true; res = cal(); for (auto u : g[v]) { setdeg(n); memset(vis, 0, sizeof vis); vec.clear(); ans.clear(); vec.push_back(v); vec.push_back(u); ans.push_back(2); vis[v] = vis[u] = true; deg[v]--; deg[u]--; res = min(res, cal()); } cout << mn + 1 << " " << res << "\n"; } }
Submission Info
Submission Time | |
---|---|
Task | D - Isomorphism Freak |
User | MB81 |
Language | C++14 (GCC 5.4.1) |
Score | 1100 |
Code Size | 1871 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 2688 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1100 / 1100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, 73.txt, 74.txt, 75.txt, 76.txt, 77.txt, 78.txt, 79.txt, 80.txt, 81.txt, 82.txt, 83.txt, 84.txt, 85.txt, 86.txt, 87.txt, 88.txt, 89.txt, 90.txt, 91.txt, 92.txt, 93.txt, 94.txt, 95.txt, 96.txt, 97.txt, 98.txt, 99.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 2 ms | 2560 KB |
02.txt | AC | 2 ms | 2688 KB |
03.txt | AC | 2 ms | 2688 KB |
04.txt | AC | 2 ms | 2688 KB |
05.txt | AC | 2 ms | 2688 KB |
06.txt | AC | 2 ms | 2688 KB |
07.txt | AC | 2 ms | 2688 KB |
08.txt | AC | 2 ms | 2560 KB |
09.txt | AC | 2 ms | 2688 KB |
10.txt | AC | 2 ms | 2688 KB |
11.txt | AC | 2 ms | 2560 KB |
12.txt | AC | 2 ms | 2560 KB |
13.txt | AC | 2 ms | 2560 KB |
14.txt | AC | 2 ms | 2560 KB |
15.txt | AC | 2 ms | 2560 KB |
16.txt | AC | 2 ms | 2560 KB |
17.txt | AC | 2 ms | 2560 KB |
18.txt | AC | 2 ms | 2560 KB |
19.txt | AC | 2 ms | 2560 KB |
20.txt | AC | 2 ms | 2560 KB |
21.txt | AC | 2 ms | 2560 KB |
22.txt | AC | 2 ms | 2560 KB |
23.txt | AC | 2 ms | 2560 KB |
24.txt | AC | 2 ms | 2560 KB |
25.txt | AC | 2 ms | 2560 KB |
26.txt | AC | 2 ms | 2560 KB |
27.txt | AC | 2 ms | 2688 KB |
28.txt | AC | 2 ms | 2688 KB |
29.txt | AC | 3 ms | 2688 KB |
30.txt | AC | 2 ms | 2688 KB |
31.txt | AC | 2 ms | 2688 KB |
32.txt | AC | 2 ms | 2688 KB |
33.txt | AC | 2 ms | 2688 KB |
34.txt | AC | 2 ms | 2688 KB |
35.txt | AC | 2 ms | 2688 KB |
36.txt | AC | 2 ms | 2688 KB |
37.txt | AC | 3 ms | 2688 KB |
38.txt | AC | 3 ms | 2688 KB |
39.txt | AC | 2 ms | 2560 KB |
40.txt | AC | 2 ms | 2560 KB |
41.txt | AC | 2 ms | 2560 KB |
42.txt | AC | 2 ms | 2560 KB |
43.txt | AC | 2 ms | 2560 KB |
44.txt | AC | 2 ms | 2560 KB |
45.txt | AC | 2 ms | 2560 KB |
46.txt | AC | 2 ms | 2560 KB |
47.txt | AC | 3 ms | 2688 KB |
48.txt | AC | 3 ms | 2688 KB |
49.txt | AC | 2 ms | 2688 KB |
50.txt | AC | 3 ms | 2688 KB |
51.txt | AC | 2 ms | 2688 KB |
52.txt | AC | 2 ms | 2688 KB |
53.txt | AC | 2 ms | 2688 KB |
54.txt | AC | 2 ms | 2688 KB |
55.txt | AC | 2 ms | 2688 KB |
56.txt | AC | 2 ms | 2688 KB |
57.txt | AC | 2 ms | 2688 KB |
58.txt | AC | 2 ms | 2688 KB |
59.txt | AC | 2 ms | 2688 KB |
60.txt | AC | 3 ms | 2688 KB |
61.txt | AC | 2 ms | 2688 KB |
62.txt | AC | 2 ms | 2688 KB |
63.txt | AC | 2 ms | 2688 KB |
64.txt | AC | 2 ms | 2688 KB |
65.txt | AC | 2 ms | 2688 KB |
66.txt | AC | 2 ms | 2688 KB |
67.txt | AC | 2 ms | 2688 KB |
68.txt | AC | 2 ms | 2688 KB |
69.txt | AC | 2 ms | 2688 KB |
70.txt | AC | 3 ms | 2688 KB |
71.txt | AC | 2 ms | 2688 KB |
72.txt | AC | 2 ms | 2688 KB |
73.txt | AC | 2 ms | 2688 KB |
74.txt | AC | 2 ms | 2688 KB |
75.txt | AC | 2 ms | 2688 KB |
76.txt | AC | 2 ms | 2688 KB |
77.txt | AC | 2 ms | 2688 KB |
78.txt | AC | 2 ms | 2688 KB |
79.txt | AC | 2 ms | 2688 KB |
80.txt | AC | 2 ms | 2688 KB |
81.txt | AC | 2 ms | 2688 KB |
82.txt | AC | 2 ms | 2688 KB |
83.txt | AC | 2 ms | 2688 KB |
84.txt | AC | 2 ms | 2688 KB |
85.txt | AC | 2 ms | 2688 KB |
86.txt | AC | 2 ms | 2688 KB |
87.txt | AC | 2 ms | 2688 KB |
88.txt | AC | 2 ms | 2688 KB |
89.txt | AC | 3 ms | 2688 KB |
90.txt | AC | 3 ms | 2688 KB |
91.txt | AC | 2 ms | 2688 KB |
92.txt | AC | 2 ms | 2688 KB |
93.txt | AC | 2 ms | 2560 KB |
94.txt | AC | 2 ms | 2688 KB |
95.txt | AC | 2 ms | 2688 KB |
96.txt | AC | 2 ms | 2560 KB |
97.txt | AC | 2 ms | 2688 KB |
98.txt | AC | 2 ms | 2688 KB |
99.txt | AC | 2 ms | 2688 KB |
s1.txt | AC | 2 ms | 2560 KB |
s2.txt | AC | 2 ms | 2688 KB |
s3.txt | AC | 2 ms | 2688 KB |
s4.txt | AC | 2 ms | 2688 KB |