Submission #985737

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
985737	2024-05-18 15:21:02	siewjh	Cyberland (APIO23_cyberland)	C++17	100 / 100	395 ms	120356 KiB

cyberland

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#include "cyberland.h"
#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef tuple<ld, int, int> t3;
const int MAXN = 100005;
const ld inf = 1e18;
vector<pair<int, int>> adj[MAXN];
bool vis[MAXN], conn[MAXN];
ld dist[MAXN][70], pwr[70];
double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr){
  K = min(K, 68);
  pwr[0] = 1;
  for (int i = 1; i <= 68; i++) pwr[i] = pwr[i - 1] / 2;
  for (int i = 0; i < N; i++){
    adj[i].clear(); vis[i] = 0; conn[i] = 0;
    for (int j = 0; j <= K; j++) dist[i][j] = inf;
  }
  for (int i = 0; i < M; i++){
    adj[x[i]].push_back({y[i], c[i]});
    adj[y[i]].push_back({x[i], c[i]});
  }
  queue<int> q;
  q.push(0); vis[0] = 1; conn[0] = 1;
  while (!q.empty()){
    int x = q.front(); q.pop();
    if (x == H) continue;
    if (arr[x] == 0) conn[x] = 1;
    for (auto &[nn, nd] : adj[x])
 
 
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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: 3 / 3