Submission #1227523

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227523		PVM_pvm	Tree (IOI24_tree)	C++20	0 / 100	51 ms	14752 KiB

tree

#include "tree.h"
#include<bits/stdc++.h>
using namespace std;
#define MAXN 200'007
int n;
vector<int> p, w;
vector<int> v[MAXN];
int brl=0;
void init(std::vector<int> P, std::vector<int> W) {
  p = P;
  w = W;
  n = (int)p.size();
  for (int q=1;q<n;q++)
  {
      v[ p[q] ].push_back(q);
  }
  for (int q=0;q<n;q++)
  {
      if (v[q].size()==0) brl++;
  }
  //cout<<brl<<"\n";
}
long long query(int L, int R) {
    long long ans=0;
    if (2LL*brl*L<=R) ans=2LL*brl*L;
    else ans=2LL*brl*L-R;
    return ans;
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 10
• Subtask 2: 0 / 13
• Subtask 3: 0 / 18
• Subtask 4: 0 / 7
• Subtask 5: 0 / 11
• Subtask 6: 0 / 22
• Subtask 7: 0 / 19