Submission #960491

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
960491	2024-04-10 14:13:58	abczz	Mergers (JOI19_mergers)	C++14	100 / 100	1121 ms	203364 KiB

mergers

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#include <iostream>
#include <vector>
#include <array>
#define ll long long
using namespace std;
vector <ll> adj[500000];
vector <ll> G[500000];
vector <array<ll, 2>> edge;
ll n, k, a, b, p, cnt, f, A[500000], dp[500000], D[500000], H[500000], P[500000], bl[500000][19], deg[500000];
ll dsu(ll u) {
  if (P[u] == u) return u;
  else return P[u] = dsu(P[u]);
}
void dfs(ll u, ll p) {
  for (auto v : adj[u]) {
    if (v != p) {
      D[v] = D[u]+1;
      dfs(v, u);
      bl[v][0] = u;
    }
  }
}
ll lca(ll a, ll b) {
  if (D[a] > D[b]) swap(a, b);
  ll db = D[b];
 
 
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Compilation message (stderr)

mergers.cpp: In function 'int main()':
mergers.cpp:83:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for (int j=1; j<G[i].size(); ++j) {
      |                   ~^~~~~~~~~~~~
mergers.cpp:89:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   89 |   for (auto [u, v] : edge) {
      |             ^

• Subtask 1: 10 / 10
• Subtask 2: 24 / 24
• Subtask 3: 14 / 14
• Subtask 4: 22 / 22
• Subtask 5: 30 / 30