Submission #216922

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
216922	2020-03-28 12:50:23	JustasZ	Capital City (JOI20_capital_city)	C++14	100 / 100	1162 ms	34520 KiB

capital_city

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/*input
*/
#include <bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define all(a) a.begin(), a.end()
#define sz(a) (int)a.size()
#define rd() abs((int)rng())
using namespace std;
using ll = long long;
using ld = long double;
using pii = pair<int, int>;
const int maxn = 2e5 + 100;
const int mod = 1e9 + 7;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
int n, k, color[maxn], vis[maxn], par[maxn], par2[maxn], sub[maxn], color_added[maxn], color_id[maxn], color_cnt[maxn], color_total[maxn];
vector<int>byColor[maxn];
vector<int>colors;
vector<int>adj[maxn];
void dfs(int v) {
  sub[v] = 1;
  for (int to : adj[v]) {
    if (!vis[to] && to != par[v]) {
      par[to] = v;
      dfs(to);
      sub[v] += sub[to];
    }
  }
}
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59