Submission #1164348

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1164348	2025-03-09 13:12:01	tw20000807	Road Closures (APIO21_roads)	C++20	0 / 100	201 ms	17744 KiB

roads

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#include "roads.h"
#include<bits/stdc++.h>
using namespace std;
vector<long long> minimum_closure_costs(int n, vector<int> u,  vector<int> v, vector<int> w){
    #define all(v) v.begin(), v.end()
    #define int long long
    #define pii pair<int, int>
    #define X first
    #define Y second
    #define SZ(s) ((int)s.size())
    vector< vector< pii > > g(n);
    vector< int > ans(n);
    for(int i = 0; i < n - 1; ++i){
        g[u[i]].push_back({v[i], w[i]});
        g[v[i]].push_back({u[i], w[i]});
    }
  vector< int > ord(n);
  iota(all(ord), 0);
  sort(all(ord), [&](int a, int b){
    return SZ(g[a]) > SZ(g[b]);
  });
    for(int k = 0; k < n; ++k){
    map<int, int> vis;
        auto dfs = [&](auto dfs, int cur, int par, int d = 0) -> void {
      vis[cur] = 1;
      ans[k] += SZ(g[cur]) - k;
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 22