Submission #2166708
Source Code Expand
#include <bits/stdc++.h> #define INF 1000000010 #define INFLL ((1LL<<62)-5) #define FO(i,a,b) for (int (i) = (a); (i) < (b); ++(i)) #define OF(i,a,b) for (int (i) = (a)-1; (i) >= (b); --(i)) #define SZ(v) int(v.size()) #define pb push_back using namespace std; //PAIRS: #define mp make_pair #define fi first #define se second typedef pair<int,int> pii; typedef long long ll; /*~~~~TEMPLATE END~~~~*/ const int MAXN = 100005; int N; vector<int> allE[MAXN]; int par[MAXN]; vector<int> dfs (int c) { int cnt[20]; fill(cnt, cnt+20, 0); for (int nxt : allE[c]) { if (nxt == par[c]) continue; par[nxt] = c; auto chV = dfs(nxt); for (int v : chV) { cnt[v]++; } } int endSpot = 0; for (int c = 19; c >= 0; c--) { if (c == 0 || cnt[c] > 1) { endSpot = c; while (cnt[endSpot]) endSpot++; break; } } cnt[endSpot] = 1; vector<int> ret; for (int c = 19; c >= endSpot; c--) { if (cnt[c]) ret.push_back(c); } return ret; } int main() { scanf ("%d", &N); FO (i,0,N-1) { int a, b; scanf("%d %d", &a, &b); allE[a].pb(b); allE[b].pb(a); } auto v = dfs(1); printf ("%d\n", v[0]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Uninity |
User | Antiforest |
Language | C++14 (GCC 5.4.1) |
Score | 1400 |
Code Size | 1359 Byte |
Status | AC |
Exec Time | 80 ms |
Memory | 17536 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:54:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &N); ^ ./Main.cpp:57:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &a, &b); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1400 / 1400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
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 | 54 ms | 6272 KB |
02.txt | AC | 56 ms | 6272 KB |
03.txt | AC | 52 ms | 6272 KB |
04.txt | AC | 55 ms | 6272 KB |
05.txt | AC | 59 ms | 6272 KB |
06.txt | AC | 63 ms | 6272 KB |
07.txt | AC | 62 ms | 6272 KB |
08.txt | AC | 60 ms | 6272 KB |
09.txt | AC | 50 ms | 11008 KB |
10.txt | AC | 52 ms | 14080 KB |
11.txt | AC | 24 ms | 8064 KB |
12.txt | AC | 24 ms | 8576 KB |
13.txt | AC | 80 ms | 17536 KB |
14.txt | AC | 72 ms | 16896 KB |
15.txt | AC | 73 ms | 14848 KB |
16.txt | AC | 70 ms | 9984 KB |
17.txt | AC | 40 ms | 6520 KB |
18.txt | AC | 39 ms | 6516 KB |
19.txt | AC | 46 ms | 6656 KB |
20.txt | AC | 43 ms | 6656 KB |
21.txt | AC | 48 ms | 6528 KB |
22.txt | AC | 49 ms | 6528 KB |
23.txt | AC | 43 ms | 6520 KB |
24.txt | AC | 43 ms | 6520 KB |
25.txt | AC | 48 ms | 6396 KB |
26.txt | AC | 55 ms | 6400 KB |
27.txt | AC | 50 ms | 6400 KB |
28.txt | AC | 49 ms | 6400 KB |
29.txt | AC | 53 ms | 6400 KB |
30.txt | AC | 57 ms | 6400 KB |
31.txt | AC | 58 ms | 6400 KB |
32.txt | AC | 51 ms | 6272 KB |
33.txt | AC | 51 ms | 6272 KB |
34.txt | AC | 54 ms | 6272 KB |
35.txt | AC | 64 ms | 6272 KB |
36.txt | AC | 57 ms | 6272 KB |
37.txt | AC | 52 ms | 6272 KB |
38.txt | AC | 53 ms | 6144 KB |
39.txt | AC | 54 ms | 6144 KB |
40.txt | AC | 61 ms | 6272 KB |
41.txt | AC | 53 ms | 6272 KB |
42.txt | AC | 53 ms | 6144 KB |
43.txt | AC | 56 ms | 6144 KB |
44.txt | AC | 48 ms | 6784 KB |
45.txt | AC | 50 ms | 6784 KB |
46.txt | AC | 55 ms | 6784 KB |
47.txt | AC | 52 ms | 6784 KB |
48.txt | AC | 58 ms | 6784 KB |
49.txt | AC | 56 ms | 6656 KB |
50.txt | AC | 56 ms | 6528 KB |
51.txt | AC | 56 ms | 6528 KB |
52.txt | AC | 65 ms | 6272 KB |
53.txt | AC | 65 ms | 6400 KB |
54.txt | AC | 58 ms | 6528 KB |
55.txt | AC | 55 ms | 6400 KB |
56.txt | AC | 39 ms | 6520 KB |
57.txt | AC | 62 ms | 14076 KB |
58.txt | AC | 60 ms | 14076 KB |
59.txt | AC | 71 ms | 6400 KB |
60.txt | AC | 71 ms | 6400 KB |
61.txt | AC | 46 ms | 9080 KB |
62.txt | AC | 47 ms | 9080 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 |