Submission #798410

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
798410	2023-07-30 16:50:05	HunterXD	Roadside Advertisements (NOI17_roadsideadverts)	C++17	7 / 100	1072 ms	6140 KiB

roadsideadverts

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#include <bits/stdc++.h>
using namespace std;
typedef int ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
#define all(x) x.begin(), x.end()
#define pb push_back
const char nd = '\n';
struct edge {
  ll v, w;
};
vector<vector<edge>> graph;
bitset<50001> visto;
ll res = 0;
ll dfs(ll u, ll p, ll cup) {
  ll cdown = 0, temp;
  if (visto[u]) cup++, cdown++;
  for (auto v : graph[u]) {
    if (v.v == p) continue;
    temp = dfs(v.v, u, cup);
    if (cup && temp) res += v.w;
    cdown += temp;
  }
  return cdown;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 0 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30