Submission #1143070

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1143070	2025-01-31 07:11:38	CDuong	City (JOI17_city)	C++20	8 / 100	257 ms	22972 KiB

Encoder

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#include "Encoder.h"
#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define i64 long long
#define isz(x) (int)x.size()
using namespace std;
void Encode(int N, int A[], int B[]) {
  vector<vector<int>> g(N);
  for (int i = 0; i < N - 1; ++i) {
    int u = A[i], v = B[i];
    g[u].emplace_back(v);
    g[v].emplace_back(u);
  }
  vector<int> a(1 << 9);
  for (int i = 0; i + 1 < 1 << 9; ++i) {
    a[i + 1] = max(a[i] + 1.0L, a[i] * 1.05L);
  }
  int tdfs = 0;
  vector<i64> tin(N), tout(N);
  auto dfs = [&](auto self, int u, int p) -> void {
    tin[u] = tdfs++;
    for (auto v : g[u]) if (v != p) {
      self(self, v, u);
    }
    int len = tdfs - tin[u] - 1;
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 0 / 92