제출 #840581

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
840581	2023-08-31 14:07:38	bicsi	봉쇄 시간 (IOI23_closing)	C++17	8 / 100	125 ms	28072 KiB

closing

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#include "closing.h"
#include <bits/stdc++.h>
using namespace std;
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
  vector<vector<pair<int, int>>> graph(N);
  for (int i = 0; i < (int)U.size(); ++i) {
    graph[U[i]].emplace_back(V[i], W[i]);
    graph[V[i]].emplace_back(U[i], W[i]);
  }
  vector<int> parent(N, -1);
  auto precomp = [&](int src) {
    vector<int> q = {src};
    vector<long long> ret(N, -1);
    parent[src] = -1;
    ret[src] = 0;
    for (int i = 0; i < N; ++i) {
      int node = q[i];
      for (auto [vec, cost] : graph[node]) {
        if (ret[vec] == -1) {
          ret[vec] = ret[node] + cost;
          q.push_back(vec);
          parent[vec] = node;
        }
      }
    }
 
 
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