Submission #1172600

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172600	2025-03-24 01:41:55	versesrev	Race (IOI11_race)	C++20	0 / 100	3096 ms	320 KiB

race

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// 23:47
#include <vector>
#include <utility>
#include <functional>
int best_path(int N, int K, int H[][2], int L[]) {
  if (N == 1) {
    return -1;
  }
  std::vector<std::vector<std::pair<int, int>>> edges(N, std::vector<std::pair<int, int>>());
  for (int i = 0; i < N - 1; ++i) {
    edges[H[i][0]].emplace_back(H[i][1], L[i]);
    edges[H[i][1]].emplace_back(H[i][0], L[i]);
  }
  int ans = N + 1;
  std::vector<bool> exist(N, true);
  std::vector<std::vector<int>> subtree_sizes;
  std::vector<std::vector<int>> dists;
  std::vector<std::vector<int>> depths;
  std::function<void(int, int)> dc = [&](int dc_depth, int root) {
    if (dc_depth >= subtree_sizes.size()) {
      subtree_sizes.emplace_back(N, 0);
      dists.emplace_back(N, 0);
      depths.emplace_back(N, 0);
    }
    // find centroid
    int g = std::invoke([&]{
      // return root;
      auto& subtree_size = subtree_sizes[dc_depth];
 
 
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Compilation message (stderr)

race.cpp: In lambda function:
race.cpp:49:7: warning: control reaches end of non-void function [-Wreturn-type]
   49 |       };
      |       ^

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 22
• Subtask 4: 0 / 57