Submission #4192165
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; const ull mod = 1e9 + 7; #define REP(i,n) for(int i=0;i<(int)n;++i) //debug #define dump(x) cerr << #x << " = " << (x) << endl; #define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl; template < typename T > void vprint(T &v){ REP(i, v.size()){ cout << v[i] << " "; } cout << endl; } vector<ll> ka[101010]; ll rec(ll x){ if(ka[x].size()==0) return 0; vector<ll> list; REP(i, ka[x].size()){ list.push_back(rec(ka[x][i])); } sort(list.rbegin(), list.rend()); ll res = -1; REP(i, list.size()){ res = max(res, list[i]+i+1); } return res; } int main(){ ll N; cin >> N; REP(i, N-1){ ll a; cin >> a; a--; ka[a].push_back(i+1); } cout << rec(0) << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | theory_and_me |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 983 Byte |
Status | AC |
Exec Time | 47 ms |
Memory | 16640 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 | 46 ms | 4480 KB |
02.txt | AC | 45 ms | 4480 KB |
03.txt | AC | 45 ms | 4480 KB |
04.txt | AC | 46 ms | 4480 KB |
05.txt | AC | 45 ms | 4480 KB |
06.txt | AC | 46 ms | 4480 KB |
07.txt | AC | 45 ms | 4480 KB |
08.txt | AC | 45 ms | 4480 KB |
09.txt | AC | 46 ms | 4480 KB |
10.txt | AC | 45 ms | 4480 KB |
11.txt | AC | 47 ms | 16640 KB |
12.txt | AC | 46 ms | 12800 KB |
13.txt | AC | 46 ms | 10752 KB |
14.txt | AC | 46 ms | 8832 KB |
15.txt | AC | 44 ms | 7424 KB |
16.txt | AC | 44 ms | 6272 KB |
17.txt | AC | 44 ms | 5504 KB |
18.txt | AC | 44 ms | 4992 KB |
19.txt | AC | 45 ms | 4736 KB |
20.txt | AC | 45 ms | 4736 KB |
21.txt | AC | 21 ms | 4980 KB |
22.txt | AC | 21 ms | 4332 KB |
23.txt | AC | 21 ms | 4200 KB |
24.txt | AC | 22 ms | 3852 KB |
25.txt | AC | 21 ms | 3840 KB |
26.txt | AC | 22 ms | 3712 KB |
27.txt | AC | 23 ms | 3712 KB |
28.txt | AC | 24 ms | 3712 KB |
29.txt | AC | 26 ms | 3840 KB |
30.txt | AC | 27 ms | 3712 KB |
31.txt | AC | 40 ms | 4224 KB |
32.txt | AC | 40 ms | 4224 KB |
33.txt | AC | 38 ms | 3840 KB |
34.txt | AC | 36 ms | 3968 KB |
35.txt | AC | 35 ms | 4224 KB |
36.txt | AC | 31 ms | 3456 KB |
37.txt | AC | 30 ms | 3456 KB |
38.txt | AC | 27 ms | 3584 KB |
39.txt | AC | 25 ms | 3584 KB |
40.txt | AC | 23 ms | 3456 KB |
41.txt | AC | 3 ms | 2560 KB |
42.txt | AC | 3 ms | 2560 KB |
43.txt | AC | 3 ms | 2560 KB |
44.txt | AC | 3 ms | 2560 KB |
45.txt | AC | 3 ms | 2560 KB |
46.txt | AC | 3 ms | 2560 KB |
47.txt | AC | 3 ms | 2560 KB |
48.txt | AC | 3 ms | 2560 KB |
49.txt | AC | 3 ms | 2560 KB |
50.txt | AC | 3 ms | 2560 KB |
s1.txt | AC | 3 ms | 2560 KB |
s2.txt | AC | 3 ms | 2560 KB |
s3.txt | AC | 3 ms | 2560 KB |