Submission #1273598

#	Time	Username	Problem	Language	Result	Execution time	Memory
1273598		mkkkkkkkk	Tree (IOI24_tree)	C++20	Compilation error	0 ms	0 KiB

tree

#include "tree.h"
#include <bits/stdc++.h>

using namespace std;

vector<long long> adj[200001];
long long arr[200001],arr2[200001];


void dfs(long long i,long long& res,long long l,long long r)
{
    long long sum=0;
    for(auto it : adj[i])
    {
        dfs(it,res,l,r);
        sum+=arr2[it];
    }
    if(adj[i].size()==0)
    {
        sum=l;
        res+=l*arr[i];
    }
    if(sum>r)
    {
        long long br=sum-r;
        sum=r;
        res+=br*arr[i];
    }
    arr2[i]=l;
}

void init(std::vector<long long> P, std::vector<long long> W) {
  for(long long i=1;i<P.size();i++)
  {
      adj[P[i]].push_back(i);
      arr[i]=W[i];
  }
  arr[0]=W[0];

}

long long query(long long L, long long R)
{
    long long res=0;
    dfs(0,res,L,R);
    return res;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cczCoL69.o: in function `main':
grader.cpp:(.text.startup+0x2e6): undefined reference to `init(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x399): undefined reference to `query(int, int)'
collect2: error: ld returned 1 exit status