Submission #389029

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
389029	2021-04-13 14:02:17	ogibogi2004	Capital City (JOI20_capital_city)	C++14	100 / 100	941 ms	41924 KiB

capital_city

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int MAXN=2e5+6;
int n,k;
int c[MAXN];
vector<int>g[MAXN];
vector<int>nodes[MAXN];
int used3[MAXN],t;
bool cantuse[MAXN];
int ans;
bool used[MAXN];
bool used1[MAXN];
bool used2[MAXN];
int subtree[MAXN],par[MAXN];
void dfs(int u,int p,int t)
{
  par[u]=p;
  used3[u]=t;
  subtree[u]=1;
  for(auto xd:g[u])
  {
    if(xd==p)continue;
    if(used[xd])continue;
    dfs(xd,u,t);
    subtree[u]+=subtree[xd];
  }
}
int find_centroid(int u,int p,int n1)
{
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59