Submission #1173853

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173853	2025-03-26 04:34:44	anonymousbunny	Keys (IOI21_keys)	C++20	37 / 100	3100 ms	199300 KiB

keys

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#include <bits/stdc++.h>
using namespace std;
#define maxn 300010
struct node{
  int id, sz, par, is_deactivated;
  vector <int> keys;
  vector <int> rooms;
  vector < pair<int,int> > edges; // pairs (key, room)
};
int print_flag;
vector <int> key_store[maxn], room_store[maxn];
vector < pair<int,int> > edge_store[maxn];
int sz[maxn], node_par[maxn], id[maxn];
int par[maxn], ans[maxn], is_deactivated[maxn];
int root (int v){
  if (v==par[v]) return v;
  return par[v]= root(par[v]);
}
void merge (int i, int j){
  i= root(i);
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 0 / 30
• Subtask 5: 0 / 33