Submission #1219866
Source Code Expand
#include <bits/stdc++.h> using namespace std; //#define FILE_IO int N, ans; vector <int> edg[100005]; int bts[100005]; void DFS(int nod, int fth) { int msk = 0; int val = 0; for(auto nxt: edg[nod]) { if(nxt == fth) continue; DFS(nxt, nod); for(int b = val + 1; b < 20; b++) if( ((1 << b) & msk) && ((1 << b) & bts[nxt]) ) val = b + 1; msk |= bts[nxt]; } while( (1 << val) & msk ) val++; bts[nod] = 1 << val; for(int b = val + 1; b < 20; b++) if( (1 << b) & msk ) bts[nod] |= (1 << b); ans = max(ans, val); } int main() { #ifdef FILE_IO freopen("1.in", "r", stdin); freopen("1.out", "w", stdout); #endif scanf("%d", &N); for(int i = 1; i < N; i++) { int x, y; scanf("%d%d", &x, &y); edg[x].push_back(y); edg[y].push_back(x); } DFS(1, 0); printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Uninity |
User | bogdan10bos |
Language | C++14 (GCC 5.4.1) |
Score | 1400 |
Code Size | 1027 Byte |
Status | AC |
Exec Time | 51 ms |
Memory | 11776 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:40:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.cpp:44:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1400 / 1400 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | s1.txt, s2.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, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 45 ms | 6272 KB |
02.txt | AC | 45 ms | 6272 KB |
03.txt | AC | 47 ms | 6272 KB |
04.txt | AC | 45 ms | 6272 KB |
05.txt | AC | 45 ms | 6272 KB |
06.txt | AC | 45 ms | 6272 KB |
07.txt | AC | 45 ms | 6272 KB |
08.txt | AC | 45 ms | 6272 KB |
09.txt | AC | 33 ms | 7936 KB |
10.txt | AC | 34 ms | 9472 KB |
11.txt | AC | 17 ms | 5888 KB |
12.txt | AC | 18 ms | 6144 KB |
13.txt | AC | 51 ms | 11776 KB |
14.txt | AC | 46 ms | 11392 KB |
15.txt | AC | 50 ms | 10496 KB |
16.txt | AC | 48 ms | 8064 KB |
17.txt | AC | 33 ms | 6520 KB |
18.txt | AC | 33 ms | 6516 KB |
19.txt | AC | 35 ms | 6656 KB |
20.txt | AC | 36 ms | 6656 KB |
21.txt | AC | 37 ms | 6528 KB |
22.txt | AC | 37 ms | 6528 KB |
23.txt | AC | 33 ms | 6520 KB |
24.txt | AC | 33 ms | 6520 KB |
25.txt | AC | 39 ms | 6396 KB |
26.txt | AC | 40 ms | 6400 KB |
27.txt | AC | 42 ms | 6400 KB |
28.txt | AC | 42 ms | 6400 KB |
29.txt | AC | 43 ms | 6400 KB |
30.txt | AC | 46 ms | 6400 KB |
31.txt | AC | 47 ms | 6400 KB |
32.txt | AC | 44 ms | 6272 KB |
33.txt | AC | 44 ms | 6272 KB |
34.txt | AC | 45 ms | 6272 KB |
35.txt | AC | 46 ms | 6272 KB |
36.txt | AC | 46 ms | 6272 KB |
37.txt | AC | 45 ms | 6272 KB |
38.txt | AC | 45 ms | 6144 KB |
39.txt | AC | 45 ms | 6144 KB |
40.txt | AC | 44 ms | 6272 KB |
41.txt | AC | 45 ms | 6272 KB |
42.txt | AC | 48 ms | 6144 KB |
43.txt | AC | 45 ms | 6144 KB |
44.txt | AC | 40 ms | 6656 KB |
45.txt | AC | 38 ms | 6656 KB |
46.txt | AC | 43 ms | 6656 KB |
47.txt | AC | 40 ms | 6656 KB |
48.txt | AC | 42 ms | 6656 KB |
49.txt | AC | 45 ms | 6528 KB |
50.txt | AC | 46 ms | 6400 KB |
51.txt | AC | 45 ms | 6400 KB |
52.txt | AC | 46 ms | 6272 KB |
53.txt | AC | 46 ms | 6272 KB |
54.txt | AC | 46 ms | 6272 KB |
55.txt | AC | 47 ms | 6272 KB |
56.txt | AC | 33 ms | 6520 KB |
57.txt | AC | 43 ms | 10236 KB |
58.txt | AC | 43 ms | 10236 KB |
59.txt | AC | 48 ms | 6272 KB |
60.txt | AC | 48 ms | 6272 KB |
61.txt | AC | 36 ms | 7672 KB |
62.txt | AC | 37 ms | 7672 KB |
63.txt | AC | 2 ms | 2560 KB |
64.txt | AC | 2 ms | 2560 KB |
65.txt | AC | 2 ms | 2560 KB |
66.txt | AC | 2 ms | 2560 KB |
67.txt | AC | 2 ms | 2560 KB |
68.txt | AC | 2 ms | 2560 KB |
69.txt | AC | 2 ms | 2560 KB |
70.txt | AC | 2 ms | 2560 KB |
71.txt | AC | 2 ms | 2560 KB |
72.txt | AC | 2 ms | 2560 KB |
s1.txt | AC | 2 ms | 2560 KB |
s2.txt | AC | 2 ms | 2560 KB |