Submission #957672

#	Time	Username	Problem	Language	Result	Execution time	Memory
957672		ALTAKEXE	Cyberland (APIO23_cyberland)	C++17	8 / 100	25 ms	7384 KiB

cyberland

#include <bits/stdc++.h>
#define ll long long
using namespace std;
struct node
{
  ll b, w;
};
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr)
{
  vector<vector<node>> v(N);
  for (int i = 0; i < M; i++)
  {
    v[x[i]].push_back({y[i], c[i]});
    v[y[i]].push_back({x[i], c[i]});
  }

  vector<ll> ans(N, LLONG_MAX);
  int st = 0;
  priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<>> Q;
  ans[st] = 0;
  Q.push({0, st});
  for (int i = 0; i < v.size(); i++)
  {
    if (i == st)
      continue;

    if (arr[i] == 0)
    {
      ans[i] = 0;
      Q.push({0, st});
    }
  }

  while (!Q.empty())
  {

    ll node = Q.top().second, dist = Q.top().first;
    Q.pop();

    if (ans[node] < dist)
      continue;

    for (auto [v, w] : v[node])
    {

      if (ans[node] + w < ans[v])
      {
        ans[v] = ans[node] + w;
        Q.push({ans[v], v});
      }
    }
  }
  return ans[H];
}

Compilation message (stderr)

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:22:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<node> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   for (int i = 0; i < v.size(); i++)
      |                   ~~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3