Submission #1069910

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069910		vjudge1	Petrol stations (CEOI24_stations)	C++17	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;
long long int size[1002];
int vis[1002];   vector<pair<int,long long int>> adjl[1002];
void dfs(int s){
    vis[s]++;
    for(int i = 0; i < adjl[s].size(); i++){
        if(vis[adjl[s][i].first] == 0){
            dfs(adjl[s][i].first);
            size[s] += size[adjl[s][i].first];
        }
    }
    size[s]++;
}
int main()
{
   int n, k;
   cin >> n >> k;

   for(int i = 0; i < (n - 1); i++){
       int u, v;
       cin >> u >> v;
       long long int l;
       cin >> l;
       adjl[u].push_back({v,l});
       adjl[v].push_back({u, l});
   }
   long long int ans[n];
   for(int i = 0; i < n; i++){
       ans[i] = 0;
   }
   for(int i = 0; i < n; i++){
       long long int cap[n];
       for(int j = 0; j < n; j++){
           size[j] = 0;
           cap[j] = 0;
           vis[j] = 0;
       }
       dfs(i);
       cap[i] = k;
       for(int j = 0; j < n; j++){
           vis[j] = 0;
       }
       queue<int>q;
       q.push(i);
       vis[i]++;
       while(!q.empty()){
           int a = q.front();
           q.pop();
           for(int j = 0; j < adjl[a].size(); j++){
               pair<int,long long int> p = adjl[a][j];
               int x = p.first;
               long long int dist = p.second;
               if(vis[x] == 0){
                   if(cap[a] >= dist){
                       cap[x] = cap[a] - dist;
                   }else{
                       ans[a] += size[x];
                       cap[x] = k - dist;
                   }
                   q.push(x);
                   vis[x]++;
               }
           }
       }
       
   }
   for(int i = 0; i < n; i++){
       cout << ans[i] << endl;
   }
   
}

Compilation message (stderr)

Main.cpp: In function 'void dfs(int)':
Main.cpp:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i = 0; i < adjl[s].size(); i++){
      |                    ~~^~~~~~~~~~~~~~~~
Main.cpp:11:13: error: reference to 'size' is ambiguous
   11 |             size[s] += size[adjl[s][i].first];
      |             ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:2:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
Main.cpp:4:15: note:                 'long long int size [1002]'
    4 | long long int size[1002];
      |               ^~~~
Main.cpp:11:24: error: reference to 'size' is ambiguous
   11 |             size[s] += size[adjl[s][i].first];
      |                        ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:2:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
Main.cpp:4:15: note:                 'long long int size [1002]'
    4 | long long int size[1002];
      |               ^~~~
Main.cpp:14:5: error: reference to 'size' is ambiguous
   14 |     size[s]++;
      |     ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:2:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
Main.cpp:4:15: note:                 'long long int size [1002]'
    4 | long long int size[1002];
      |               ^~~~
Main.cpp: In function 'int main()':
Main.cpp:36:12: error: reference to 'size' is ambiguous
   36 |            size[j] = 0;
      |            ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:2:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
Main.cpp:4:15: note:                 'long long int size [1002]'
    4 | long long int size[1002];
      |               ^~~~
Main.cpp:51:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |            for(int j = 0; j < adjl[a].size(); j++){
      |                           ~~^~~~~~~~~~~~~~~~
Main.cpp:59:34: error: reference to 'size' is ambiguous
   59 |                        ans[a] += size[x];
      |                                  ^~~~
In file included from /usr/include/c++/10/string:54,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from Main.cpp:2:
/usr/include/c++/10/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/10/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
Main.cpp:4:15: note:                 'long long int size [1002]'
    4 | long long int size[1002];
      |               ^~~~