Submission #854357

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854357	2023-09-27 03:49:43	NeroZein	Birthday gift (IZhO18_treearray)	C++17	0 / 100	6 ms	37468 KiB

treearray

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#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
const int LOG = 18; 
const int N = 2e5 + 5; 
int a[N]; 
int lc[N]; 
vector<int> g[N]; 
int dep[N], up[LOG][N]; 
set<int> lco[N], no[N]; 
void dfs(int v, int p) {
  for (int u : g[v]) {
    if (u == p) {
      continue;
    }
    dep[u] = dep[v] + 1; 
    up[0][u] = v;
    for (int j = 1; j < LOG; ++j) {
      up[j][u] = up[j - 1][up[j - 1][u]]; 
    }
    dfs(u, v); 
  }
 
 
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• Subtask 1: 0 / 12
• Subtask 2: 0 / 18
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44