answer.code: In function ‘void solve()’:
answer.code:21:9: warning: lambda expressions only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   21 |         });
      |         ^
answer.code:18:13: error: no matching function for call to ‘sort(int*, int*, solve()::<lambda(int, int)>)’
   18 |         sort(id+1,id+n+1,[&](int x, int y)
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   19 |         {
      |         ~    
   20 |                 return c2[x]>c2[y];
      |                 ~~~~~~~~~~~~~~~~~~~
   21 |         });
      |         ~~   
In file included from /usr/include/c++/13/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from answer.code:1:
/usr/include/c++/13/bits/stl_algo.h:4851:5: note: candidate: ‘template<class _RAIter> void std::sort(_RAIter, _RAIter)’
 4851 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~
/usr/include/c++/13/bits/stl_algo.h:4851:5: note:   template argument deduction/substitution failed:
answer.code:18:13: note:   candidate expects 2 arguments, 3 provided
   18 |         sort(id+1,id+n+1,[&](int x, int y)
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   19 |         {
      |         ~    
   20 |                 return c2[x]>c2[y];
      |                 ~~~~~~~~~~~~~~~~~~~
   21 |         });
      |         ~~   
/usr/include/c++/13/bits/stl_algo.h:4882:5: note: candidate: ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)’
 4882 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~
/usr/include/c++/13/bits/stl_algo.h:4882:5: note:   template argument deduction/substitution failed:
answer.code: In substitution of ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = int*; _Compare = solve()::<lambda(int, int)>]’:
answer.code:18:6:   required from here
answer.code:18:13: error: template argument for ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)’ uses local type ‘solve()::<lambda(int, int)>’
   18 |         sort(id+1,id+n+1,[&](int x, int y)
      |         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   19 |         {
      |         ~    
   20 |                 return c2[x]>c2[y];
      |                 ~~~~~~~~~~~~~~~~~~~
   21 |         });
      |         ~~   
answer.code:18:13: error:   trying to instantiate ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)’
answer.code:37:20: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   37 |                 mp[{x,y}]+=(r-l+1)>>1;
      |                    ^
answer.code:37:25: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   37 |                 mp[{x,y}]+=(r-l+1)>>1;
      |                         ^
answer.code:45:44: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   45 |                 ans=max(ans,c1[y]+c2[x]-mp[{x, y}]);
      |                                            ^
answer.code:45:50: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   45 |                 ans=max(ans,c1[y]+c2[x]-mp[{x, y}]);
      |                                                  ^
answer.code:50:26: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   50 |                 while(mp[{id[t],i}]||i==id[t])
      |                          ^
answer.code:50:35: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   50 |                 while(mp[{id[t],i}]||i==id[t])
      |                                   ^