Submission #2542412
Source Code Expand
N = int(input()) G = [[] for i in range(N)] for i in range(N-1): a, b = map(int, input().split()) G[a-1].append(b-1) G[b-1].append(a-1) from collections import deque def bfs(v): que = deque([v]) dist = {v: 0} prev = {v: v} while que: u = que.popleft() d = dist[u] for w in G[u]: if w in dist: continue dist[w] = d + 1 prev[w] = u que.append(w) w = u D = [] while w != v: D.append(w) w = prev[w] D.append(v) return u, D from collections import deque def solve(u, v = -1): que = deque([u]) if v != -1: que.append(v) used = set([u, v]) D = {v: 0, u: 0} E = {} if v != -1: E[0] = max(len(G[v]), len(G[u]))-1 else: E[0] = len(G[u]) x = v while que: v = que.popleft() d = D[v] for w in G[v]: if w in used: continue D[w] = d + 1 que.append(w) used.add(w) E[d+1] = max(E.get(d+1, 0), len(G[w])-1) res = 2 if x != -1 else 1 for v in E.values(): if v: res *= v return res D = bfs(bfs(0)[0])[1] L = len(D) col = (L + 1) // 2 if L % 2 == 1: ans = 10**18 v = D[L//2] for w in G[v]: ans = min(ans, solve(v, w)) ans = min(ans, solve(v)) else: v = D[L//2-1]; w = D[L//2] ans = solve(v, w) print(col, ans)
Submission Info
Submission Time | |
---|---|
Task | D - Isomorphism Freak |
User | yaketake08 |
Language | Python (3.4.3) |
Score | 1100 |
Code Size | 1530 Byte |
Status | AC |
Exec Time | 30 ms |
Memory | 3444 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 | 21 ms | 3392 KB |
02.txt | AC | 21 ms | 3392 KB |
03.txt | AC | 22 ms | 3392 KB |
04.txt | AC | 22 ms | 3392 KB |
05.txt | AC | 22 ms | 3392 KB |
06.txt | AC | 22 ms | 3392 KB |
07.txt | AC | 21 ms | 3392 KB |
08.txt | AC | 22 ms | 3444 KB |
09.txt | AC | 22 ms | 3392 KB |
10.txt | AC | 22 ms | 3392 KB |
11.txt | AC | 21 ms | 3392 KB |
12.txt | AC | 21 ms | 3392 KB |
13.txt | AC | 21 ms | 3392 KB |
14.txt | AC | 21 ms | 3392 KB |
15.txt | AC | 21 ms | 3392 KB |
16.txt | AC | 21 ms | 3392 KB |
17.txt | AC | 21 ms | 3392 KB |
18.txt | AC | 21 ms | 3392 KB |
19.txt | AC | 21 ms | 3392 KB |
20.txt | AC | 21 ms | 3392 KB |
21.txt | AC | 21 ms | 3392 KB |
22.txt | AC | 21 ms | 3392 KB |
23.txt | AC | 21 ms | 3392 KB |
24.txt | AC | 21 ms | 3392 KB |
25.txt | AC | 22 ms | 3392 KB |
26.txt | AC | 21 ms | 3392 KB |
27.txt | AC | 22 ms | 3392 KB |
28.txt | AC | 22 ms | 3392 KB |
29.txt | AC | 23 ms | 3444 KB |
30.txt | AC | 23 ms | 3392 KB |
31.txt | AC | 22 ms | 3392 KB |
32.txt | AC | 22 ms | 3392 KB |
33.txt | AC | 22 ms | 3392 KB |
34.txt | AC | 22 ms | 3392 KB |
35.txt | AC | 22 ms | 3392 KB |
36.txt | AC | 22 ms | 3392 KB |
37.txt | AC | 30 ms | 3392 KB |
38.txt | AC | 30 ms | 3392 KB |
39.txt | AC | 21 ms | 3392 KB |
40.txt | AC | 21 ms | 3392 KB |
41.txt | AC | 21 ms | 3392 KB |
42.txt | AC | 21 ms | 3392 KB |
43.txt | AC | 21 ms | 3392 KB |
44.txt | AC | 21 ms | 3392 KB |
45.txt | AC | 21 ms | 3392 KB |
46.txt | AC | 21 ms | 3392 KB |
47.txt | AC | 25 ms | 3392 KB |
48.txt | AC | 25 ms | 3392 KB |
49.txt | AC | 23 ms | 3392 KB |
50.txt | AC | 24 ms | 3392 KB |
51.txt | AC | 24 ms | 3392 KB |
52.txt | AC | 24 ms | 3392 KB |
53.txt | AC | 22 ms | 3392 KB |
54.txt | AC | 22 ms | 3392 KB |
55.txt | AC | 22 ms | 3392 KB |
56.txt | AC | 22 ms | 3392 KB |
57.txt | AC | 22 ms | 3392 KB |
58.txt | AC | 22 ms | 3392 KB |
59.txt | AC | 21 ms | 3392 KB |
60.txt | AC | 25 ms | 3392 KB |
61.txt | AC | 24 ms | 3392 KB |
62.txt | AC | 22 ms | 3392 KB |
63.txt | AC | 23 ms | 3392 KB |
64.txt | AC | 22 ms | 3392 KB |
65.txt | AC | 22 ms | 3392 KB |
66.txt | AC | 22 ms | 3392 KB |
67.txt | AC | 22 ms | 3392 KB |
68.txt | AC | 21 ms | 3392 KB |
69.txt | AC | 21 ms | 3392 KB |
70.txt | AC | 26 ms | 3392 KB |
71.txt | AC | 24 ms | 3392 KB |
72.txt | AC | 23 ms | 3392 KB |
73.txt | AC | 23 ms | 3392 KB |
74.txt | AC | 22 ms | 3392 KB |
75.txt | AC | 22 ms | 3392 KB |
76.txt | AC | 21 ms | 3392 KB |
77.txt | AC | 21 ms | 3392 KB |
78.txt | AC | 21 ms | 3392 KB |
79.txt | AC | 21 ms | 3392 KB |
80.txt | AC | 24 ms | 3392 KB |
81.txt | AC | 24 ms | 3392 KB |
82.txt | AC | 22 ms | 3392 KB |
83.txt | AC | 22 ms | 3392 KB |
84.txt | AC | 22 ms | 3392 KB |
85.txt | AC | 22 ms | 3392 KB |
86.txt | AC | 21 ms | 3392 KB |
87.txt | AC | 21 ms | 3392 KB |
88.txt | AC | 22 ms | 3392 KB |
89.txt | AC | 22 ms | 3392 KB |
90.txt | AC | 23 ms | 3392 KB |
91.txt | AC | 23 ms | 3392 KB |
92.txt | AC | 21 ms | 3392 KB |
93.txt | AC | 21 ms | 3316 KB |
94.txt | AC | 21 ms | 3316 KB |
95.txt | AC | 21 ms | 3316 KB |
96.txt | AC | 20 ms | 3316 KB |
97.txt | AC | 21 ms | 3316 KB |
98.txt | AC | 21 ms | 3316 KB |
99.txt | AC | 21 ms | 3316 KB |
s1.txt | AC | 21 ms | 3316 KB |
s2.txt | AC | 21 ms | 3316 KB |
s3.txt | AC | 21 ms | 3316 KB |
s4.txt | AC | 21 ms | 3316 KB |