Submission #1172237

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172237	2025-03-23 04:36:03	gyg	Keys (IOI21_keys)	C++20	37 / 100	3096 ms	33472 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 
const int N = 3e5 + 5;
// Zero indexing
int n;
arr<int, N> cl;
arr<vec<pii>, N> adj;
arr<bool, N> vs;
arr<vec<int>, N> ngh;
set<int> cls;
vec<int> ord;
arr<int, N> cnt;
void cnt_cmp(int st) {
  vs.fill(false), ngh.fill({}), cls.clear(), ord.clear();
  vs[st] = true, ord.push_back(st);
  while (ord.size()) {
    int u = ord.back(); ord.pop_back();
    for (pii x : adj[u]) {
      if (cls.count(x.sec)) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 11 / 11
• Subtask 3: 17 / 17
• Subtask 4: 0 / 30
• Subtask 5: 0 / 33