Submission #1275045

#	Time	Username	Problem	Language	Result	Execution time	Memory
1275045		muhammad-mutahir	Island Hopping (JOI24_island)	C++20	Compilation error	0 ms	0 KiB

island

#include "island.h"

#include <bits/stdc++.h>
using namespace std;



void solve(int N, int L) {
  map<pii,bool>edg;
  int ans = 0;
  for(int i = 1;i<=N;i++){

    int t = query(i,1);
    if(i<t){
      edg[{i,t}] = 1;
      ans++;
      answer(i,t);
    }
  }
  if(ans == N-1)return;
  for(auto i:edg){
    int t = query(i.fi.fi,2);
    int t1 = query(i.fi.se,2);
    if(t != t1){
      answer(i.fi.fi,t);
      answer(i.fi.se,t1);
      ans+=2;
      if(ans == N-1){
        return ;
      }
    }
  }

 

}




// signed main(){
//     io();
//     int t = 1;
//     int y,i;
//     cin>>y>>i;
//     while(t--) solve(y,i);

// }

Compilation message (stderr)

island.cpp: In function 'void solve(int, int)':
island.cpp:9:7: error: 'pii' was not declared in this scope
    9 |   map<pii,bool>edg;
      |       ^~~
island.cpp:9:15: error: template argument 1 is invalid
    9 |   map<pii,bool>edg;
      |               ^
island.cpp:9:15: error: template argument 3 is invalid
island.cpp:9:15: error: template argument 4 is invalid
island.cpp:15:10: error: invalid types 'int[<brace-enclosed initializer list>]' for array subscript
   15 |       edg[{i,t}] = 1;
      |          ^
island.cpp:21:14: error: 'begin' was not declared in this scope
   21 |   for(auto i:edg){
      |              ^~~
island.cpp:21:14: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:166,
                 from island.cpp:3:
/usr/include/c++/13/valarray:1238:5: note:   'std::begin'
 1238 |     begin(const valarray<_Tp>& __va) noexcept
      |     ^~~~~
In file included from /usr/include/c++/13/bits/ranges_algobase.h:38,
                 from /usr/include/c++/13/bits/ranges_algo.h:38,
                 from /usr/include/c++/13/algorithm:63,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/bits/ranges_base.h:489:44: note:   'std::ranges::__cust::begin'
  489 |     inline constexpr __cust_access::_Begin begin{};
      |                                            ^~~~~
In file included from /usr/include/c++/13/filesystem:50,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:200:
/usr/include/c++/13/bits/fs_dir.h:607:3: note:   'std::filesystem::__cxx11::begin'
  607 |   begin(recursive_directory_iterator __iter) noexcept
      |   ^~~~~
In file included from /usr/include/c++/13/bits/stl_iterator_base_types.h:71,
                 from /usr/include/c++/13/bits/stl_algobase.h:65,
                 from /usr/include/c++/13/algorithm:60:
/usr/include/c++/13/bits/iterator_concepts.h:984:10: note:   'std::ranges::__cust_access::begin'
  984 |     void begin(const auto&) = delete;
      |          ^~~~~
island.cpp:21:14: error: 'end' was not declared in this scope
   21 |   for(auto i:edg){
      |              ^~~
island.cpp:21:14: note: suggested alternatives:
/usr/include/c++/13/valarray:1265:5: note:   'std::end'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/13/bits/ranges_base.h:490:42: note:   'std::ranges::__cust::end'
  490 |     inline constexpr __cust_access::_End end{};
      |                                          ^~~
/usr/include/c++/13/bits/fs_dir.h:612:3: note:   'std::filesystem::__cxx11::end'
  612 |   end(recursive_directory_iterator) noexcept
      |   ^~~
/usr/include/c++/13/bits/ranges_base.h:137:10: note:   'std::ranges::__cust_access::end'
  137 |     void end(const auto&) = delete;
      |          ^~~