Submission #1080453
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define int long long #define ll long long #define rep(i,n) for (int i=0;i<(n);i++) #define rep2(i,a,b) for (int i=(a);i<(b);i++) #define rrep(i,n) for (int i=(n);i>=0;i--) #define rrep2(i,a,b) for (int i=(a);i>b;i--) #define pb push_back #define vi vector<int> #define vii vector<vi> const int mod=1e9+7; const ll MX=1<<30; int n; vector<vector<int> > g(100005); int dfs(int now){ vi v; for(auto nx: g[now]){ v.pb(dfs(nx)); } if(v.empty()){ return 1; } sort(v.begin(),v.end()); ll cost=0; int l=g[now].size()-1; rep(i,g[now].size()){ cost=max(cost,v[i]+l-i); } return cost+1; } signed main() { cin >> n; rep(i,n-1){ int a; cin >> a; g[a-1].pb(i+1); } cout << dfs(0)-1 << endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | roto_37 |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 883 Byte |
Status | AC |
Exec Time | 58 ms |
Memory | 15104 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.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, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 50 ms | 4480 KB |
02.txt | AC | 49 ms | 4480 KB |
03.txt | AC | 49 ms | 4480 KB |
04.txt | AC | 49 ms | 4480 KB |
05.txt | AC | 49 ms | 4480 KB |
06.txt | AC | 49 ms | 4480 KB |
07.txt | AC | 50 ms | 4480 KB |
08.txt | AC | 50 ms | 4480 KB |
09.txt | AC | 49 ms | 4480 KB |
10.txt | AC | 49 ms | 4480 KB |
11.txt | AC | 58 ms | 15104 KB |
12.txt | AC | 56 ms | 11648 KB |
13.txt | AC | 53 ms | 9984 KB |
14.txt | AC | 52 ms | 8192 KB |
15.txt | AC | 51 ms | 7040 KB |
16.txt | AC | 49 ms | 6016 KB |
17.txt | AC | 48 ms | 5376 KB |
18.txt | AC | 48 ms | 4864 KB |
19.txt | AC | 49 ms | 4736 KB |
20.txt | AC | 49 ms | 4736 KB |
21.txt | AC | 27 ms | 4852 KB |
22.txt | AC | 26 ms | 4204 KB |
23.txt | AC | 27 ms | 4192 KB |
24.txt | AC | 26 ms | 3820 KB |
25.txt | AC | 24 ms | 3840 KB |
26.txt | AC | 26 ms | 3712 KB |
27.txt | AC | 28 ms | 3712 KB |
28.txt | AC | 27 ms | 3712 KB |
29.txt | AC | 30 ms | 3840 KB |
30.txt | AC | 31 ms | 3712 KB |
31.txt | AC | 44 ms | 4096 KB |
32.txt | AC | 44 ms | 4096 KB |
33.txt | AC | 41 ms | 3712 KB |
34.txt | AC | 41 ms | 3840 KB |
35.txt | AC | 39 ms | 4096 KB |
36.txt | AC | 35 ms | 3456 KB |
37.txt | AC | 33 ms | 3456 KB |
38.txt | AC | 30 ms | 3584 KB |
39.txt | AC | 29 ms | 3584 KB |
40.txt | AC | 27 ms | 3456 KB |
41.txt | AC | 6 ms | 2560 KB |
42.txt | AC | 6 ms | 2560 KB |
43.txt | AC | 6 ms | 2560 KB |
44.txt | AC | 6 ms | 2560 KB |
45.txt | AC | 6 ms | 2560 KB |
46.txt | AC | 6 ms | 2560 KB |
47.txt | AC | 6 ms | 2560 KB |
48.txt | AC | 6 ms | 2560 KB |
49.txt | AC | 6 ms | 2560 KB |
50.txt | AC | 6 ms | 2560 KB |
s1.txt | AC | 5 ms | 2560 KB |
s2.txt | AC | 5 ms | 2560 KB |
s3.txt | AC | 6 ms | 2560 KB |