Submission #216483

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
216483	2020-03-27 11:06:15	AlexPop28	Capital City (JOI20_capital_city)	C++11	100 / 100	1083 ms	29932 KiB

capital_city

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#include <bits/stdc++.h>
using namespace std;
struct DSU {
  vector<int> dad, sz;
  DSU(int n = 0) : dad(n, -1), sz(n, 1) {}
  int Find(int x) {
    if (dad[x] == -1) return x;
    return dad[x] = Find(dad[x]);
  }
  bool Union(int x, int y) {
    x = Find(x), y = Find(y);
    if (x == y) return false;
    if (sz[x] < sz[y]) swap(x, y);
    dad[y] = x;
    sz[x] += sz[y];
    return true;
  }
  void Reset(int node) {
    dad[node] = -1;
    sz[node] = 1;
  }
};
struct Solver {
  int n, k, ans;
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59