Submission #1098891
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define int 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)-1;i>=0;i--) #define rrep2(i,a,b) for (int i=(a)-1;i>=b;i--) #define chmin(a,b) (a)=min((a),(b)); #define chmax(a,b) (a)=max((a),(b)); #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() #define printV(v) cerr<<(#v)<<":";for(auto(x):(v)){cerr<<" "<<(x);}cerr<<endl; #define printVS(vs) cerr<<(#vs)<<":"<<endl;for(auto(s):(vs)){cerr<<(s)<< endl;} #define printVV(vv) cerr<<(#vv)<<":"<<endl;for(auto(v):(vv)){for(auto(x):(v)){cerr<<" "<<(x);}cerr<<endl;} #define printP(p) cerr<<(#p)<<(p).first<<" "<<(p).second<<endl; #define printVP(vp) cerr<<(#vp)<<":"<<endl;for(auto(p):(vp)){cerr<<(p).first<<" "<<(p).second<<endl;} inline void output(){ cerr << endl; } template<typename First, typename... Rest> inline void output(const First& first, const Rest&... rest) { cerr << first << " "; output(rest...); } using ll = long long; using Pii = pair<int, int>; using TUPLE = tuple<int, int, int>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; const int inf = 1ll << 60; const int mod = 1e9 + 7; using Graph = vector<vector<int>>; int dfs(int now, int pre, const Graph& G) { vi a; for (auto nxt : G[now]) { a.emplace_back(dfs(nxt, now, G)); } sort(all(a)); int ret = 0; for (auto x : a) { ret = max(ret, x) + 1; } return ret; } signed main() { std::ios::sync_with_stdio(false); std::cin.tie(0); int n; cin >> n; Graph G(n); rep2(c, 1, n) { int p; cin >> p; G[p - 1].emplace_back(c); } cout << dfs(0, -1, G) << endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | yurahuna |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1855 Byte |
Status | AC |
Exec Time | 37 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 | 30 ms | 4480 KB |
02.txt | AC | 30 ms | 4480 KB |
03.txt | AC | 30 ms | 4480 KB |
04.txt | AC | 30 ms | 4480 KB |
05.txt | AC | 30 ms | 4480 KB |
06.txt | AC | 30 ms | 4480 KB |
07.txt | AC | 30 ms | 4480 KB |
08.txt | AC | 30 ms | 4480 KB |
09.txt | AC | 30 ms | 4480 KB |
10.txt | AC | 30 ms | 4480 KB |
11.txt | AC | 37 ms | 15104 KB |
12.txt | AC | 35 ms | 11776 KB |
13.txt | AC | 33 ms | 9984 KB |
14.txt | AC | 31 ms | 8320 KB |
15.txt | AC | 30 ms | 7040 KB |
16.txt | AC | 29 ms | 6016 KB |
17.txt | AC | 28 ms | 5376 KB |
18.txt | AC | 28 ms | 4992 KB |
19.txt | AC | 28 ms | 4736 KB |
20.txt | AC | 29 ms | 4736 KB |
21.txt | AC | 17 ms | 4980 KB |
22.txt | AC | 16 ms | 4332 KB |
23.txt | AC | 17 ms | 4136 KB |
24.txt | AC | 16 ms | 3852 KB |
25.txt | AC | 14 ms | 3840 KB |
26.txt | AC | 15 ms | 3712 KB |
27.txt | AC | 15 ms | 3584 KB |
28.txt | AC | 15 ms | 3712 KB |
29.txt | AC | 16 ms | 3840 KB |
30.txt | AC | 17 ms | 3712 KB |
31.txt | AC | 24 ms | 4224 KB |
32.txt | AC | 25 ms | 4224 KB |
33.txt | AC | 22 ms | 3712 KB |
34.txt | AC | 22 ms | 3968 KB |
35.txt | AC | 22 ms | 4224 KB |
36.txt | AC | 18 ms | 3456 KB |
37.txt | AC | 17 ms | 3456 KB |
38.txt | AC | 16 ms | 3584 KB |
39.txt | AC | 15 ms | 3584 KB |
40.txt | AC | 14 ms | 3456 KB |
41.txt | AC | 3 ms | 256 KB |
42.txt | AC | 3 ms | 256 KB |
43.txt | AC | 3 ms | 256 KB |
44.txt | AC | 3 ms | 256 KB |
45.txt | AC | 3 ms | 256 KB |
46.txt | AC | 3 ms | 256 KB |
47.txt | AC | 3 ms | 256 KB |
48.txt | AC | 3 ms | 256 KB |
49.txt | AC | 3 ms | 256 KB |
50.txt | AC | 3 ms | 256 KB |
s1.txt | AC | 3 ms | 256 KB |
s2.txt | AC | 3 ms | 256 KB |
s3.txt | AC | 3 ms | 256 KB |