AtCoder Grand Contest 009

Submission #1587060

Source codeソースコード

#include <bits/stdc++.h>
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define lp(i,a,n) for(int i=(a);i<=(int)(n);++i)
#define lpd(i,a,n) for(int i=(a);i>=(int)(n);--i)
#define mem(a,b) memset(a,b,sizeof a)
#define all(v) v.begin(),v.end()
#define println(a) cout <<(a) <<endl
#define sz(x) ((int)(x).size())
#define readi(x) scanf("%d",&x)
#define read2i(x,y) scanf("%d%d",&x,&y)
#define read3i(x,y,z) scanf("%d%d%d",&x,&y,&z)
#define mod 1000000007
#define eps 1e-8
#define infi 1000000000
#define infll 1000000000000000000ll
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vll;
typedef set<int> si;
typedef map<int,int> mii;

const int N = 100002;
int n;
vvi g(N);

int dfs(int i){
    if(!sz(g[i])) return 0;
    multiset<int> st;
    for(int j : g[i]) st.insert(dfs(j));
    int l = -1, ret = 0;
    for(int j : st){
        if(j > l) l = j+1;
        else ++l;
        ret = max(ret, l);
    }
    return ret;
}

int main(){
    readi(n);
    lp(i,2,n){
        int p;
        readi(p);
        g[p].pb(i);
    }

    cout <<dfs(1);
}

/*
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
*/

Submission

Task問題 B - Tournament
User nameユーザ名 Khaled Ali
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 1318 Byte
File nameファイル名
Exec time実行時間 33 ms
Memory usageメモリ使用量 15104 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:47:13: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
readi(n);
^
./Main.cpp:50:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
readi(p);
^

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 4224 KB
02.txt AC 27 ms 4224 KB
03.txt AC 26 ms 4224 KB
04.txt AC 27 ms 4224 KB
05.txt AC 27 ms 4224 KB
06.txt AC 27 ms 4224 KB
07.txt AC 27 ms 4224 KB
08.txt AC 27 ms 4224 KB
09.txt AC 25 ms 4224 KB
10.txt AC 27 ms 4224 KB
11.txt AC 27 ms 15104 KB
12.txt AC 26 ms 11904 KB
13.txt AC 25 ms 10240 KB
14.txt AC 25 ms 8448 KB
15.txt AC 25 ms 7168 KB
16.txt AC 25 ms 6016 KB
17.txt AC 24 ms 5376 KB
18.txt AC 24 ms 4736 KB
19.txt AC 25 ms 4608 KB
20.txt AC 26 ms 4608 KB
21.txt AC 33 ms 7672 KB
22.txt AC 25 ms 5284 KB
23.txt AC 25 ms 4596 KB
24.txt AC 22 ms 3968 KB
25.txt AC 21 ms 3584 KB
26.txt AC 18 ms 3328 KB
27.txt AC 18 ms 3200 KB
28.txt AC 17 ms 3200 KB
29.txt AC 18 ms 3200 KB
30.txt AC 18 ms 3200 KB
31.txt AC 22 ms 4096 KB
32.txt AC 22 ms 3584 KB
33.txt AC 21 ms 3328 KB
34.txt AC 20 ms 3328 KB
35.txt AC 20 ms 3456 KB
36.txt AC 18 ms 3072 KB
37.txt AC 17 ms 3072 KB
38.txt AC 17 ms 3072 KB
39.txt AC 17 ms 3072 KB
40.txt AC 17 ms 3072 KB
41.txt AC 2 ms 2560 KB
42.txt AC 2 ms 2560 KB
43.txt AC 2 ms 2560 KB
44.txt AC 2 ms 2560 KB
45.txt AC 2 ms 2560 KB
46.txt AC 2 ms 2560 KB
47.txt AC 2 ms 2560 KB
48.txt AC 2 ms 2560 KB
49.txt AC 2 ms 2560 KB
50.txt AC 2 ms 2560 KB
s1.txt AC 2 ms 2560 KB
s2.txt AC 2 ms 2560 KB
s3.txt AC 2 ms 2560 KB