Submission #1206876

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206876		mychecksedad	Unique Cities (JOI19_ho_t5)	C++20	4 / 100	2095 ms	34884 KiB

joi2019_ho_t5

/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;


int n, m, c[N];
vi g[N];
void solve(){
  cin >> n >> m;
  for(int i = 1; i < n; ++i){
    int u, v; cin >> u >> v;
    g[u].pb(v);
    g[v].pb(u);
  }
  for(int i = 1; i <= n; ++i){
    cin >> c[i]; 
  }

  for(int i = 1; i <= n; ++i){
    vi dist(n+1, -1);
    dist[i] = 0;
    queue<int> q;
    q.push(i);
    vector<vi> D(n+1);
    while(!q.empty()){
      int v = q.front(); q.pop();
      D[dist[v]].pb(v);
      for(int u: g[v]){
        if(dist[u] == -1){
          dist[u] = dist[v] + 1;
          q.push(u);
        }
      }
    }
    set<int> res;
    for(int i = 1; i < n; ++i){
      if(D[i].size()==1){
        res.insert(c[D[i][0]]);
      }
    }
    cout << res.size() << '\n';
  }
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tt = 1, aa;
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  while(tt--){
    solve();
    en;
  }
  cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
  return 0;
} 

• Subtask 1: 4 / 4
• Subtask 2: 0 / 32
• Subtask 3: 0 / 32
• Subtask 4: 0 / 32