Submission #1350141


Source Code Expand

#include "bits/stdc++.h"
using namespace std;
#define OUT(x)                cout << #x << " = " << x << endl
#define rep(i, n)             for (int (i) = 0; (i) < (int)(n); (i)++)
#define rer(i, l, r)          for (int (i) = (int)(l); (i) <= (int)(r); (i)++)
#define reu(i, l, r)          for (int (i) = (int)(l); (i) < (int)(r); (i)++)
#define all(x)                (x).begin(), (x).end()
#define rall(x)               (x).rbegin(), (x).rend()
template<typename T> void pv(T a, T b) { for (T i = a; i != b; i ++) cout << *i << " "; cout << endl; }
template<typename T, typename U> inline void amin(T &x, U y) { if (y < x) x = y; }
template<typename T, typename U> inline void amax(T &x, U y) { if (x < y) x = y; }
int in() { int x; scanf("%d", &x); return x; }
long long lin() { long long x; scanf("%lld", &x); return x; }

vector<int> g[101010];

int dfs(int s) {
        int res = 0;
        vector<int> v;
        for (auto ns : g[s]) v.push_back(dfs(ns));
        //sort(rall(v));
        //rep(i, v.size()) amax(res, v[i] + i);
        sort(all(v));
        rep(i, v.size()) {
                res = max(res + 1, v[i]); 
        }
        return res + 1;
}

signed main() { 
        int n;
        cin >> n;
        rep(i, n - 1) {
                int a;
                cin >> a;
                a --;
                g[a].push_back(i + 1);
        }
        cout << dfs(0) - 1 << endl;
        return 0;
}               

Submission Info

Submission Time
Task B - Tournament
User KokiYmgch
Language C++14 (GCC 5.4.1)
Score 800
Code Size 1469 Byte
Status AC
Exec Time 48 ms
Memory 13568 KB

Compile Error

./Main.cpp: In function ‘int in()’:
./Main.cpp:12:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 int in() { int x; scanf("%d", &x); return x; }
                                  ^
./Main.cpp: In function ‘long long int lin()’:
./Main.cpp:13:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 long long lin() { long long x; scanf("%lld", &x); return x; }
                                                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 800 / 800
Status
AC × 3
AC × 53
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 45 ms 4224 KB
02.txt AC 45 ms 4224 KB
03.txt AC 45 ms 4224 KB
04.txt AC 45 ms 4224 KB
05.txt AC 47 ms 4224 KB
06.txt AC 46 ms 4224 KB
07.txt AC 46 ms 4224 KB
08.txt AC 45 ms 4224 KB
09.txt AC 45 ms 4224 KB
10.txt AC 48 ms 4224 KB
11.txt AC 45 ms 13568 KB
12.txt AC 45 ms 10624 KB
13.txt AC 44 ms 9216 KB
14.txt AC 44 ms 7680 KB
15.txt AC 44 ms 6656 KB
16.txt AC 44 ms 5760 KB
17.txt AC 44 ms 5248 KB
18.txt AC 43 ms 4736 KB
19.txt AC 46 ms 4608 KB
20.txt AC 45 ms 4608 KB
21.txt AC 22 ms 3704 KB
22.txt AC 20 ms 3424 KB
23.txt AC 20 ms 3444 KB
24.txt AC 20 ms 3376 KB
25.txt AC 20 ms 3200 KB
26.txt AC 22 ms 3200 KB
27.txt AC 22 ms 3200 KB
28.txt AC 23 ms 3200 KB
29.txt AC 26 ms 3200 KB
30.txt AC 27 ms 3200 KB
31.txt AC 40 ms 4224 KB
32.txt AC 40 ms 3712 KB
33.txt AC 37 ms 3456 KB
34.txt AC 36 ms 3456 KB
35.txt AC 34 ms 3456 KB
36.txt AC 31 ms 3072 KB
37.txt AC 30 ms 3072 KB
38.txt AC 26 ms 3072 KB
39.txt AC 25 ms 3072 KB
40.txt AC 22 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