Submission #463494

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
463494	2021-08-11 09:03:30	Jasiekstrz	Putovanje (COCI20_putovanje)	C++17	110 / 110	228 ms	28396 KiB

putovanje

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#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=2e5;
const int L=20;
const int PP=3e5;
int pot;
int tree[2*PP+10];
vector<pair<int,int>> e[N+10];
long long c[N+10][2];
int pre[N+10];
int post[N+10];
int d[N+10];
int jmp[N+10][L+2];
void dfs_pre(int x,int p)
{
  static int nr=0;
  pre[x]=++nr;
  d[x]=d[p]+1;
  jmp[x][0]=p;
  for(int l=1;l<=L;l++)
    jmp[x][l]=jmp[jmp[x][l-1]][l-1];
  for(auto [v,id]:e[x])
  {
    if(v==p)
      continue;
    dfs_pre(v,x);
  }
  post[x]=nr;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65