answer.code: In function ‘void solve()’:
answer.code:18:5: error: ‘unordered_map’ was not declared in this scope
   18 |     unordered_map<int, vector<array<int,3>>> cl;
      |     ^~~~~~~~~~~~~
answer.code:9:1: note: ‘std::unordered_map’ is defined in header ‘<unordered_map>’; did you forget to ‘#include <unordered_map>’?
    8 | #include <vector>
  +++ |+#include <unordered_map>
    9 | #include <array>
answer.code:18:19: error: expected primary-expression before ‘int’
   18 |     unordered_map<int, vector<array<int,3>>> cl;
      |                   ^~~
answer.code:22:15: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
   22 |         auto &[a,b,c,d] = v[i];
      |               ^
answer.code:31:13: error: ‘cl’ was not declared in this scope; did you mean ‘c’?
   31 |             cl[b].push_back({a,c,i});
      |             ^~
      |             c
answer.code:38:18: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
   38 |         for(auto [a,b,id]: rg[i]){
      |                  ^
answer.code:39:26: error: ‘cl’ was not declared in this scope; did you mean ‘ll’?
   39 |             if(a > 0 && !cl[a-1].empty()){
      |                          ^~
      |                          ll
answer.code:50:28: error: ‘cl’ was not declared in this scope; did you mean ‘ll’?
   50 |             if(b < M-1 && !cl[b+1].empty()){
      |                            ^~
      |                            ll
answer.code:72:14: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
   72 |     for(auto [i, cur]: cl){
      |              ^
answer.code:72:24: error: ‘cl’ was not declared in this scope; did you mean ‘ll’?
   72 |     for(auto [i, cur]: cl){
      |                        ^~
      |                        ll
answer.code:75:18: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
   75 |         for(auto [a,b,id]: cur){
      |                  ^
answer.code:77:97: error: no matching function for call to ‘std::array<int, 3>::array(<brace-enclosed initializer list>)’
   77 |                 auto ub = lower_bound(rg[a-1].begin(), rg[a-1].end(), array<int,3>({i + 1, 0, 0}));
      |                                                                                                 ^
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/bits/stl_map.h:63,
                 from /usr/include/c++/11/map:61,
                 from answer.code:2:
/usr/include/c++/11/array:95:12: note: candidate: ‘std::array<int, 3>::array()’
   95 |     struct array
      |            ^~~~~
/usr/include/c++/11/array:95:12: note:   candidate expects 0 arguments, 1 provided
/usr/include/c++/11/array:95:12: note: candidate: ‘constexpr std::array<int, 3>::array(const std::array<int, 3>&)’
/usr/include/c++/11/array:95:12: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const std::array<int, 3>&’
/usr/include/c++/11/array:95:12: note: candidate: ‘constexpr std::array<int, 3>::array(std::array<int, 3>&&)’
/usr/include/c++/11/array:95:12: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::array<int, 3>&&’
answer.code:87:99: error: no matching function for call to ‘std::array<int, 3>::array(<brace-enclosed initializer list>)’
   87 |                 auto ub = lower_bound(rg[b + 1].begin(), rg[b+1].end(), array<int,3>({i + 1, 0, 0}));
      |                                                                                                   ^
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/bits/stl_map.h:63,
                 from /usr/include/c++/11/map:61,
                 from answer.code:2:
/usr/include/c++/11/array:95:12: note: candidate: ‘std::array<int, 3>::array()’
   95 |     struct array
      |            ^~~~~
/usr/include/c++/11/array:95:12: note:   candidate expects 0 arguments, 1 provided
/usr/include/c++/11/array:95:12: note: candidate: ‘constexpr std::array<int, 3>::array(const std::array<int, 3>&)’
/usr/include/c++/11/array:95:12: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘const std::array<int, 3>&’
/usr/include/c++/11/array:95:12: note: candidate: ‘constexpr std::array<int, 3>::array(std::array<int, 3>&&)’
/usr/include/c++/11/array:95:12: note:   no known conversion for argument 1 from ‘<brace-enclosed initializer list>’ to ‘std::array<int, 3>&&’
answer.code:108:15: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
  108 |     for(auto &[id, x]: cl){
      |               ^
answer.code:108:24: error: ‘cl’ was not declared in this scope; did you mean ‘ll’?
  108 |     for(auto &[id, x]: cl){
      |                        ^~
      |                        ll
answer.code:149:18: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’
  149 |         for(auto...