Submission #1117098

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1117098	2024-11-22 20:14:38	ortsac	Road Closures (APIO21_roads)	C++17	0 / 100	20 ms	5200 KiB

roads

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#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<long long, long long>
#define fr first
#define se second
const int MAXN = 2010;
const int INF = 0x3f3f3f3f3f3f3f3f;
vector<pii> adj[MAXN];
int dp[2][MAXN];
int k;
void dfs(int node, int dad) {
  int pdad = INF;
  for (auto [u, w] : adj[node]) {
    if (u != dad) dfs(u, node);
    else pdad = w;
  }
  // calc dp[0][node] -> edge {node, dad} isn't removed
  if ((k > 0) || (node == 0)) {
    int r = (((int) adj[node].size()) - k);
    vector<int> mini;
    int sum0 = 0;
    for (auto [u, w] : adj[node]) {
      if (u == dad) continue;
      sum0 += dp[0][u];
 
 
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• Subtask 7: 0 / 22