Submission #1172578

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172578	2025-03-24 01:02:11	versesrev	Race (IOI11_race)	C++20	Compilation error	0 ms	0 KiB

race

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// 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, long long>>> edges;
  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);
      min_lengths.emplace_back(K + 1, N + 1);
    }
    // find centroid
    int g = std::invoke([&]{
      auto& subtree_size = subtree_sizes[dc_depth];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

race.cpp: In lambda function:
race.cpp:26:7: error: 'min_lengths' was not declared in this scope
   26 |       min_lengths.emplace_back(K + 1, N + 1);
      |       ^~~~~~~~~~~
race.cpp:91:37: error: expected primary-expression before 'or' token
   91 |         if (it == min_length.end()) or depth[v] < it->second) {
      |                                     ^~
race.cpp: In lambda function:
race.cpp:47:7: warning: control reaches end of non-void function [-Wreturn-type]
   47 |       };
      |       ^