AtCoder Grand Contest 009

Submission #1591918

Source codeソースコード

#include <iostream>
#include <bits/stdc++.h>

#define si(x) scanf("%d",&x)

using namespace std;

vector<vector<int> > child;
int dfs(int node){
    if(child[node].size()==0)return 0;
    vector<int> dist;
    for(int i=0;i<child[node].size();i++){
        dist.push_back(dfs(child[node][i]));
    }
    sort(dist.begin(),dist.end());
    int ans  = 0;
    for(int i=0;i<dist.size();i++){
        ans = max(ans,dist[i])+1;
    }
    return ans;
}

int main()
{
    int n;
    si(n);
    vector<int> parent(n+1);
    child.resize(n+1);
    for(int i=2;i<=n;i++){
        si(parent[i]);
        child[parent[i]].push_back(i);
    }
    cout << dfs(1);
    return 0;
}

Submission

Task問題 B - Tournament
User nameユーザ名 vjudge4
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 666 Byte
File nameファイル名
Exec time実行時間 28 ms
Memory usageメモリ使用量 13952 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
si(n);
^
./Main.cpp:30:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
si(parent[i]);
^

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 27 ms 4608 KB
02.txt AC 27 ms 4608 KB
03.txt AC 28 ms 4608 KB
04.txt AC 27 ms 4608 KB
05.txt AC 27 ms 4608 KB
06.txt AC 27 ms 4608 KB
07.txt AC 27 ms 4608 KB
08.txt AC 27 ms 4608 KB
09.txt AC 27 ms 4608 KB
10.txt AC 27 ms 4608 KB
11.txt AC 27 ms 13952 KB
12.txt AC 26 ms 11008 KB
13.txt AC 26 ms 9600 KB
14.txt AC 25 ms 8064 KB
15.txt AC 25 ms 7040 KB
16.txt AC 25 ms 6144 KB
17.txt AC 25 ms 5504 KB
18.txt AC 24 ms 5120 KB
19.txt AC 26 ms 4992 KB
20.txt AC 26 ms 4992 KB
21.txt AC 13 ms 4088 KB
22.txt AC 12 ms 3808 KB
23.txt AC 12 ms 3820 KB
24.txt AC 12 ms 3760 KB
25.txt AC 12 ms 3584 KB
26.txt AC 13 ms 3456 KB
27.txt AC 12 ms 3584 KB
28.txt AC 12 ms 3584 KB
29.txt AC 13 ms 3584 KB
30.txt AC 14 ms 3584 KB
31.txt AC 22 ms 4480 KB
32.txt AC 22 ms 3968 KB
33.txt AC 20 ms 3712 KB
34.txt AC 19 ms 3712 KB
35.txt AC 18 ms 3840 KB
36.txt AC 16 ms 3456 KB
37.txt AC 14 ms 3456 KB
38.txt AC 13 ms 3456 KB
39.txt AC 13 ms 3456 KB
40.txt AC 12 ms 3328 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