Submission #862830

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
862830	2023-10-19 05:20:35	Berryisbetter	Cyberland (APIO23_cyberland)	C++17	97 / 100	2041 ms	843556 KiB

cyberland

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#include "cyberland.h"
#include <bits/stdc++.h>
using namespace std;
using ll = double;
using ld = long double;
using vll = vector<ll>;
using vvll = vector<vll>;
const ld INF = 1e16;
vector<ld> v; vector<vector<pair<ll, ll>>>g;
ll h,n;
void dfs(ll x) {
  if (v[x]++) return;
  if ((int)x%(int)n==h) return;
  for (auto i : g[x]) {
    dfs(i.first);
  }
}
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr) {
  ll m = M, k = min(K, 70) + 1; h = H, n = N;
  v = vector<ld>(n * k); g = vector<vector<pair<ll, ll>>>(n * k);
  for (ll j = 0; j < k; j++) {
    for (ll i = 0; i < m; i++) {
      g[x[i] + j * n].push_back({ y[i] + j * n, c[i] * 1.0 / (1ll << (long long)j) });
      g[y[i] + j * n].push_back({ x[i] + j * n, c[i] * 1.0 / (1ll << (long long)j) });
      if (j && arr[y[i]] == 2) {
        g[x[i] + j * n].push_back({ y[i] + (j - 1) * n, c[i] * 1.0 / (1ll << (long long)j) });
      }
      if (j && arr[x[i]] == 2) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 19 / 19
• Subtask 5: 7 / 7
• Subtask 6: 16 / 16
• Subtask 7: 29 / 29
• Subtask 8: 0 / 3