AtCoder Grand Contest 009

Submission #1357663

Source codeソースコード

#pragma region include
#include <iostream>
#include <iomanip>
#include <stdio.h>

#include <sstream>
#include <algorithm>
#include <cmath>
#include <complex>

#include <string>
#include <cstring>
#include <vector>
#include <tuple>
#include <bitset>

#include <queue>
#include <complex>
#include <set>
#include <map>
#include <stack>
#include <list>

#include <fstream>
#include <random>
//#include <time.h>
#include <ctime>
#pragma endregion //#include
/////////
#define REP(i, x, n) for(int i = x; i < n; ++i)
#define rep(i,n) REP(i,0,n)
/////////
#pragma region typedef
typedef long long LL;
typedef long double LD;
typedef unsigned long long ULL;
#pragma endregion //typedef
////定数
const int INF = (int)1e9;
const LL MOD = (LL)1e9+7;
const LL LINF = (LL)1e18;
const double PI = acos(-1.0);
const double EPS = 1e-9;
/////////
using namespace::std;

vector< vector<int> > G;
int dfs(int v){
	int size = G[v].size();
	vector<int> A;
	for(int i=0;i<size;++i){
		int to = G[v][i];
		int res = dfs(to);
		A.push_back( res );
	}
	int ret = 0;
	size = A.size();
	sort(A.begin(), A.end());
	for(int i=0;i<size;++i){
		ret = max(ret+1,A[i]+1);
	}
	return ret;
}
void solve(){
	int N;
	cin >> N;
	G = vector< vector<int> >(N);
	for(int i=1;i<N;++i){
		int a;
		cin >> a;
		--a;
		G[a].push_back( i );
	}

	int res = dfs(0);
	cout << res << endl;
}
#pragma region main
signed main(void){
	std::cin.tie(0);
	std::ios::sync_with_stdio(false);
	std::cout << std::fixed;//小数を10進数表示
	cout << setprecision(16);//小数点以下の桁数を指定//coutとcerrで別	
	
	solve();
}
#pragma endregion //main()

Submission

Task問題 B - Tournament
User nameユーザ名 akarin55
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 800
Source lengthソースコード長 1697 Byte
File nameファイル名
Exec time実行時間 25 ms
Memory usageメモリ使用量 15104 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt,s3.txt
All 800 / 800 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01.txt AC 25 ms 4224 KB
02.txt AC 25 ms 4224 KB
03.txt AC 25 ms 4224 KB
04.txt AC 25 ms 4224 KB
05.txt AC 25 ms 4224 KB
06.txt AC 24 ms 4224 KB
07.txt AC 25 ms 4224 KB
08.txt AC 25 ms 4224 KB
09.txt AC 25 ms 4224 KB
10.txt AC 25 ms 4224 KB
11.txt AC 24 ms 15104 KB
12.txt AC 24 ms 11776 KB
13.txt AC 24 ms 9984 KB
14.txt AC 24 ms 8192 KB
15.txt AC 23 ms 6912 KB
16.txt AC 23 ms 5888 KB
17.txt AC 23 ms 5248 KB
18.txt AC 23 ms 4864 KB
19.txt AC 24 ms 4608 KB
20.txt AC 24 ms 4608 KB
21.txt AC 11 ms 3832 KB
22.txt AC 10 ms 3424 KB
23.txt AC 10 ms 3444 KB
24.txt AC 10 ms 3376 KB
25.txt AC 11 ms 3200 KB
26.txt AC 10 ms 3200 KB
27.txt AC 11 ms 3200 KB
28.txt AC 11 ms 3200 KB
29.txt AC 12 ms 3200 KB
30.txt AC 12 ms 3200 KB
31.txt AC 20 ms 4224 KB
32.txt AC 19 ms 3712 KB
33.txt AC 18 ms 3328 KB
34.txt AC 17 ms 3328 KB
35.txt AC 17 ms 3456 KB
36.txt AC 14 ms 3072 KB
37.txt AC 13 ms 3072 KB
38.txt AC 11 ms 3072 KB
39.txt AC 11 ms 3072 KB
40.txt AC 10 ms 3072 KB
41.txt AC 1 ms 256 KB
42.txt AC 1 ms 256 KB
43.txt AC 1 ms 256 KB
44.txt AC 1 ms 256 KB
45.txt AC 1 ms 256 KB
46.txt AC 1 ms 256 KB
47.txt AC 1 ms 256 KB
48.txt AC 1 ms 256 KB
49.txt AC 1 ms 256 KB
50.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB