Submission #332121

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
332121	2020-12-01 14:00:14	quocnguyen1012	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	263 ms	15832 KiB

railroad

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxn = 4e5 + 5;
int lab[maxn], deg[maxn];
int n;
int findset(int u) {
  if (lab[u] == u) return u;
  return lab[u] = findset(lab[u]);
}
bool join(int u, int v) {
  u = findset(u); v = findset(v);
  if (u == v) return false;
  lab[v] = u;
  return true;
}
long long plan_roller_coaster(vector<int> s, vector<int> t) {
  vector<int> coor;
  n = s.size();
  for (int & i : s) coor.push_back(i);
  for (int & i : t) coor.push_back(i);
  sort(coor.begin(), coor.end());
  coor.erase(unique(coor.begin(), coor.end()), coor.end());
 
 
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