Submission #379938

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
379938	2021-03-19 19:00:07	nikatamliani	Relay Marathon (NOI20_relaymarathon)	C++14	17 / 100	6081 ms	114672 KiB

RelayMarathon

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#include <bits/stdc++.h>
using namespace std;
int n, m, k;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int a, int b) {
  return a + (unsigned long long)rng() % (b - a + 1);
}
const int oo = 1e9+10;
int calc(vector<int> &a, vector<int> &b, vector<vector<pair<int, int>>> &edges) {
  priority_queue<pair<int,int>> q;
  for(int x : a) {
    q.push({0, x});
  }
  vector<bool> fix(n), seen(n);
  for(int x : b) {
    fix[x] = 1;
  }
  while(!q.empty()) {
    pair<int,int> p = q.top(); q.pop();
    if(fix[p.second]) return -p.first;
    if(seen[p.second]) continue;
    seen[p.second] = 1;
    for(const pair<int,int> &to : edges[p.second]) {
      q.push({p.first - to.second, to.first});
    }
  }
  return oo;
}
int main() {
  ios::sync_with_stdio(0); cin.tie(0);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 12 / 12
• Subtask 3: 0 / 25
• Subtask 4: 0 / 58