Submission #1137938

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137938	2025-01-21 07:20:41	SmuggingSpun	Synchronization (JOI13_synchronization)	C++20	0 / 100	49 ms	17988 KiB

synchronization

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#include<bits/stdc++.h>
#define taskname "A"
using namespace std;
const int lim = 1e5 + 5;
const int INF = 1e9;
int n, m, q;
pair<int, int>edge[lim];
vector<int>g[lim];
namespace sub1{
  int ans = 0;
  bitset<lim>state;
  map<pair<int, int>, vector<int>>G_edge;
  void dfs(int s, int p = -1, int t = INF){
    ans++;
    for(int& d : g[s]){
      if(d != p){
        pair<int, int>cur = make_pair(min(s, d), max(s, d));
        auto it = lower_bound(G_edge[cur].begin(), G_edge[cur].end(), t);
        if(it != G_edge[cur].begin()){
          dfs(d, s, *prev(it));
        }
      }
    }
  }
  void solve(){
    state.reset();
    for(int t = 0; t < m; t++){
      int x;
      cin >> x;
      if(state.test(x)){
 
 
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:52:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 40