Submission #1074377


Source Code Expand

#include<bits/stdc++.h>

using namespace std;

int N, A[100000];
deque< int > vv[100000];
int sz[100000];

void dfs(int idx)
{
  for(int to : vv[idx]) dfs(to);
  for(int to : vv[idx]) sz[idx] = max(sz[idx], sz[to] + 1);
}

int main()
{

  cin >> N;

  int ret = 0;
  for(int i = 1; i < N; i++) {
    cin >> A[i];
    vv[--A[i]].push_back(i);
  }

  dfs(0);
  for(int i = 0; i < N; i++) {
    sort(begin(vv[i]), end(vv[i]), [](int &a, int &b)
    {
      return (sz[a] > sz[b]);
    });
  }

  vector< int > depth[200000];
  depth[0].push_back(0);
  int dep = 0;
  while(true) {
    if(depth[dep].empty()) break;
    for(auto &idx : depth[dep]) {
      if(vv[idx].empty()) continue;
      depth[dep + 1].push_back(vv[idx][0]);
      depth[dep + 1].push_back(idx);
      vv[idx].pop_front();
    }
    ++dep;
  }

  cout << --dep << endl;

}

Submission Info

Submission Time
Task B - Tournament
User ei13333
Language C++14 (GCC 5.4.1)
Score 0
Code Size 890 Byte
Status WA
Exec Time 155 ms
Memory 82304 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 3
AC × 33
WA × 20
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 WA 138 ms 73728 KB
02.txt WA 138 ms 73728 KB
03.txt WA 136 ms 73728 KB
04.txt WA 136 ms 73728 KB
05.txt WA 136 ms 73728 KB
06.txt WA 137 ms 73728 KB
07.txt WA 138 ms 73728 KB
08.txt WA 141 ms 73728 KB
09.txt WA 139 ms 73728 KB
10.txt WA 139 ms 73728 KB
11.txt AC 155 ms 82304 KB
12.txt AC 149 ms 79104 KB
13.txt AC 146 ms 77824 KB
14.txt AC 144 ms 76416 KB
15.txt AC 143 ms 75648 KB
16.txt AC 143 ms 74880 KB
17.txt AC 140 ms 74496 KB
18.txt AC 142 ms 74112 KB
19.txt WA 143 ms 73984 KB
20.txt AC 141 ms 74112 KB
21.txt AC 118 ms 75648 KB
22.txt AC 113 ms 74112 KB
23.txt AC 115 ms 74112 KB
24.txt WA 115 ms 74112 KB
25.txt AC 112 ms 73472 KB
26.txt WA 125 ms 73472 KB
27.txt WA 125 ms 73472 KB
28.txt WA 125 ms 73600 KB
29.txt WA 128 ms 73856 KB
30.txt AC 115 ms 73472 KB
31.txt AC 127 ms 73600 KB
32.txt AC 124 ms 73472 KB
33.txt AC 121 ms 73600 KB
34.txt AC 119 ms 73472 KB
35.txt AC 117 ms 73472 KB
36.txt AC 117 ms 73472 KB
37.txt WA 116 ms 73472 KB
38.txt WA 113 ms 73600 KB
39.txt WA 126 ms 73856 KB
40.txt WA 125 ms 73600 KB
41.txt AC 85 ms 72064 KB
42.txt AC 84 ms 72064 KB
43.txt AC 85 ms 72064 KB
44.txt AC 84 ms 72064 KB
45.txt AC 85 ms 72064 KB
46.txt AC 84 ms 72064 KB
47.txt AC 85 ms 72064 KB
48.txt AC 85 ms 72064 KB
49.txt AC 85 ms 72064 KB
50.txt AC 86 ms 72064 KB
s1.txt AC 85 ms 72064 KB
s2.txt AC 84 ms 72064 KB
s3.txt AC 85 ms 72064 KB