answer.code: In function ‘int main()’:
answer.code:25:17: warning: lambda expressions only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   25 |                 });
      |                 ^
answer.code:22:21: error: no matching function for call to ‘sort(int*, int*, main()::<lambda(int, int)>)’
   22 |                 sort(id+1,id+n+1,[&](int x, int y)
      |                 ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   23 |                 {
      |                 ~    
   24 |                         return c2[x]>c2[y];
      |                         ~~~~~~~~~~~~~~~~~~~
   25 |                 });
      |                 ~~   
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:22:21: note:   candidate expects 2 arguments, 3 provided
   22 |                 sort(id+1,id+n+1,[&](int x, int y)
      |                 ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   23 |                 {
      |                 ~    
   24 |                         return c2[x]>c2[y];
      |                         ~~~~~~~~~~~~~~~~~~~
   25 |                 });
      |                 ~~   
/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 = main()::<lambda(int, int)>]’:
answer.code:22:7:   required from here
answer.code:22:21: error: template argument for ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)’ uses local type ‘main()::<lambda(int, int)>’
   22 |                 sort(id+1,id+n+1,[&](int x, int y)
      |                 ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   23 |                 {
      |                 ~    
   24 |                         return c2[x]>c2[y];
      |                         ~~~~~~~~~~~~~~~~~~~
   25 |                 });
      |                 ~~   
answer.code:22:21: error:   trying to instantiate ‘template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)’
answer.code:41:28: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   41 |                         mp[{x,y}]+=(r-l+1)>>1;
      |                            ^
answer.code:41:33: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   41 |                         mp[{x,y}]+=(r-l+1)>>1;
      |                                 ^
answer.code:49:52: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   49 |                         ans=max(ans,c1[y]+c2[x]-mp[{x, y}]);
      |                                                    ^
answer.code:49:58: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   49 |                         ans=max(ans,c1[y]+c2[x]-mp[{x, y}]);
      |                                                          ^
answer.code:54:34: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   54 |                         while(mp[{id[t],i}]||i==id[t])
      |                                  ^
answer.code:54:43: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   54 |                         while(mp[{id[t],i}]||i==id[t])
      |                                           ^