AtCoder Grand Contest 009

Submission #1591781

Source codeソースコード

#include <bits/stdc++.h>
using namespace std;

#define fill(x,y) memset(x,y,sizeof(x))
#define fi first
#define se second
#define sz(x) ((int) (x).size())
#define all(x) (x).begin(), (x).end()
#define sqr(x) ((x) * (x))
#define sqrt(x) sqrt(abs(x))
#define mp make_pair
#define pb push_back
#define smp(x,y,z) mp(x,mp(y,z))
#define reads(x) scanf("%s",&x)
#define read(x) scanf("%d",&x)
#define read2(x,y) scanf("%d%d",&x,&y)
#define read3(x,y,z) scanf("%d%d%d",&x,&y,&z)

typedef long long ll;
typedef string s;
typedef pair<int,int> pii;
typedef pair<int,string> pis;
typedef pair<string,int> psi;
typedef pair<string,string> pss;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef vector<vector<int> > matrix;

const ll oo = 1e9+7;
const int maxSize = 100100;
const int mod = 1e9+7;

const double EPS = (1e-9);

int dcmp(double x, double y){return fabs(x-y) <= EPS ? 0 : x < y ? -1 : 1;}

map<int,vi> seq;
map<int,priority_queue<pii> > childs;
map<int,int> maxi;
vector<pii> coun;

int dfs(int n){
    vi childss = seq[n] ;
    if(childss.empty())return 1;
    int maxii = 0 ;
    for(int i : childss){
        maxii=max(maxii,dfs(i));
    }
    maxi[n] = max(maxii,(int)childss.size());
    return maxii+1;
}

int main(){

    int n  ; cin >> n ;
    for(int i=2 ;i<=n ;i++){
        int num ; cin >> num ;
        if(i!=num)seq[num].pb(i) ;
    }
    dfs(1);
    for(pair<int,vi> i : seq){
        for(int j : i.se){
            childs[i.fi].push({maxi[j],j}) ;
        }
    }
    int res=-1 ;
    coun.pb({1,0});
    while(!coun.empty()){
        pii out = coun.back() ; coun.pop_back() ;
        if(childs[out.fi].size()==0)continue;
        coun.pb({out.fi,out.se+1});
        pii out2 = childs[out.fi].top() ; childs[out.fi].pop() ;
        coun.pb({out2.se,out.se+1});
        res=max(res,out.se+1);
    }
    cout << res ;
}

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 WA
Score得点 0
Source lengthソースコード長 1868 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt,s3.txt
All 0 / 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 242 ms 24064 KB
02.txt WA
03.txt WA
04.txt WA
05.txt WA
06.txt WA
07.txt WA
08.txt WA
09.txt WA
10.txt WA
11.txt AC 177 ms 37372 KB
12.txt AC 162 ms 32120 KB
13.txt AC 146 ms 30200 KB
14.txt AC 138 ms 28280 KB
15.txt AC 139 ms 27004 KB
16.txt AC 141 ms 25984 KB
17.txt AC 141 ms 25344 KB
18.txt AC 149 ms 24832 KB
19.txt WA
20.txt AC 184 ms 24704 KB
21.txt AC 142 ms 21740 KB
22.txt AC 130 ms 21784 KB
23.txt AC 115 ms 21744 KB
24.txt AC 111 ms 21884 KB
25.txt AC 109 ms 21760 KB
26.txt WA
27.txt WA
28.txt WA
29.txt WA
30.txt WA
31.txt WA
32.txt WA
33.txt WA
34.txt WA
35.txt WA
36.txt WA
37.txt WA
38.txt WA
39.txt AC 124 ms 22144 KB
40.txt AC 130 ms 21760 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