Submission #958738

#	Time	Username	Problem	Language	Result	Execution time	Memory
958738		ALTAKEXE	Cyberland (APIO23_cyberland)	C++17	Compilation error	0 ms	0 KiB

cyberland

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define f first
#define s second
#define inf 1e18
#define dinf 1e-9
using namespace std;
vector<array<ll, 2>> adj[100000];
ll h;
bool visited[100000];
priority_queue<array<ld, 2>, vector<array<ld, 2>>, greater<array<ld, 2>>> pq[61];
ld dp[100000][61], ep = dinf;

void dfs(ld u)
{
  visited[u] = 1;
  for (auto [v, x] : adj[u])
  {
    if (v != h && !visited[v])
    {
      dfs(v);
    }
  }
}
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)
{
  K = min(K, 80), h = H;
  for (int i = 0; i < N; ++i)
  {
    visited[i] = 0;
    adj[i].clear();
    for (int j = 0; j <= K; ++j)
    {
      dp[i][j] = 1e18;
    }
  }
  for (int i = 0; i < M; ++i)
  {
    adj[x[i]].push_back({y[i], c[i]});
    adj[y[i]].push_back({x[i], c[i]});
  }
  dfs(0);
  for (int i = 0; i < N; ++i)
  {
    if (visited[i] && (!arr[i] || !i))
    {
      dp[i][K] = 0;
      pq[K].push({0, (ld)i});
    }
  }
  for (int i = K; i >= 0; --i)
  {
    while (!pq[i].empty())
    {
      auto [w, du] = pq[i].top();
      pq[i].pop();
      ld u = (ld)du;
      if (dp[u][i] != w || u == H)
        continue;
      for (auto [v, x] : adj[u])
      {
        if (dp[v][i] - (w + (ld)x) > ep)
        {
          dp[v][i] = w + (ld)x;
          pq[i].push({dp[v][i], (ld)v});
        }
        if (i && arr[v] == 2 && (dp[v][i - 1] - (ld)(w + (ld)x) / 2) > ep)
        {
          dp[v][i - 1] = (w + (ld)x) / 2;
          pq[i - 1].push({dp[v][i - 1], (ld)v});
        }
      }
    }
  }
  ld f = inf;
  for (int i = 0; i <= K; ++i)
  {
    f = min(f, dp[H][i]);
  }
  if (f == inf)
    return -1;
  return f;
}

Compilation message (stderr)

cyberland.cpp: In function 'void dfs(long double)':
cyberland.cpp:17:10: error: invalid types 'bool [100000][long double]' for array subscript
   17 |   visited[u] = 1;
      |          ^
cyberland.cpp:18:25: error: invalid types 'std::vector<std::array<long long int, 2> > [100000][long double]' for array subscript
   18 |   for (auto [v, x] : adj[u])
      |                         ^
cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:59:13: error: invalid types 'long double [100000][61][long double]' for array subscript
   59 |       if (dp[u][i] != w || u == H)
      |             ^
cyberland.cpp:61:29: error: invalid types 'std::vector<std::array<long long int, 2> > [100000][long double]' for array subscript
   61 |       for (auto [v, x] : adj[u])
      |                             ^
cyberland.cpp:66:39: error: no matching function for call to 'std::priority_queue<std::array<long double, 2>, std::vector<std::array<long double, 2> >, std::greater<std::array<long double, 2> > >::push(<brace-enclosed initializer list>)'
   66 |           pq[i].push({dp[v][i], (ld)v});
      |                                       ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::array<long double, 2>; _Sequence = std::vector<std::array<long double, 2> >; _Compare = std::greater<std::array<long double, 2> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long double, 2>]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::array<long double, 2>&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::array<long double, 2>; _Sequence = std::vector<std::array<long double, 2> >; _Compare = std::greater<std::array<long double, 2> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long double, 2>]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::array<long double, 2>, std::vector<std::array<long double, 2> >, std::greater<std::array<long double, 2> > >::value_type&&' {aka 'std::array<long double, 2>&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~
cyberland.cpp:71:47: error: no matching function for call to 'std::priority_queue<std::array<long double, 2>, std::vector<std::array<long double, 2> >, std::greater<std::array<long double, 2> > >::push(<brace-enclosed initializer list>)'
   71 |           pq[i - 1].push({dp[v][i - 1], (ld)v});
      |                                               ^
In file included from /usr/include/c++/10/queue:64,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_queue.h:640:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::array<long double, 2>; _Sequence = std::vector<std::array<long double, 2> >; _Compare = std::greater<std::array<long double, 2> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long double, 2>]'
  640 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:640:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::array<long double, 2>&'}
  640 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:648:7: note: candidate: 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::array<long double, 2>; _Sequence = std::vector<std::array<long double, 2> >; _Compare = std::greater<std::array<long double, 2> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::array<long double, 2>]'
  648 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:648:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<std::array<long double, 2>, std::vector<std::array<long double, 2> >, std::greater<std::array<long double, 2> > >::value_type&&' {aka 'std::array<long double, 2>&&'}
  648 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~