Submission #632948

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632948	2022-08-21 09:44:32	Arnch	Designated Cities (JOI19_designated_cities)	C++17	100 / 100	873 ms	60988 KiB

designated_cities

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
constexpr int N = 2e5 + 10;
int n;
ll total;
ll ps[N], cnt[N], par[N], up[N];
int st[N], fn[N], id[N], tim;
ll ans[N];
bool mark[N];
vector<pair<int, int> > adj[N];
void preDFS(int x, int p = 0) {
  for(auto j : adj[x]) {
    if(j.first == p) {
      up[x] = up[p] + j.second;
      break;
    }
  }
  for(auto j : adj[x]) {
    if(j.first == p) {
      continue;
    }
    cnt[j.first] = j.second;
    ps[j.first] = ps[x] + j.second;
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 17 / 17
• Subtask 5: 17 / 17
• Subtask 6: 44 / 44