Submission #1174888

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174888	2025-03-27 15:05:08	gyg	Keys (IOI21_keys)	C++20	0 / 100	4 ms	7240 KiB

keys

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#include "keys.h"
#include <bits/stdc++.h>
using namespace std;
#define vec vector
#define arr array 
#define pii pair<int, int>
#define fir first 
#define sec second 
#define hset unordered_set
#define hmap unordered_map
const int N = 3e5 + 5, INF = 1e9;
// Zero indexing
int n;
arr<int, N> cl;
arr<vec<pii>, N> adj;
hset<int> vs, cls;
hmap<int, vec<int>> ngh;
vec<int> ord;
void bfs(int st) {
  vs.clear(), cls.clear(), ngh.clear(), ord.clear();
  vs.insert(st), ord.push_back(st);
  while (ord.size()) {
    int u = ord.back(); ord.pop_back();
  
    for (pii x : adj[u]) {
      int v = x.fir, c = x.sec;
 
 
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• Subtask 1: 0 / 9
• Subtask 2: 0 / 11
• Subtask 3: 0 / 17
• Subtask 4: 0 / 30
• Subtask 5: 0 / 33