answer.code: In function ‘std::vector<long long int> prefix_summ(std::vector<int>&)’:
answer.code:20:16: error: ‘move’ was not declared in this scope
   20 |         return move(summ);
      |                ^~~~
answer.code:20:16: note: ‘std::move’ is only available from C++11 onwards
answer.code: In function ‘void solution()’:
answer.code:28:28: error: ‘>>’ should be ‘> >’ within a nested template argument list
   28 |         map<int, vector<int>> X, Y;
      |                            ^~
      |                            > >
answer.code:44:19: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
   44 |         for (auto [_, v] : X) {
      |                   ^
answer.code:44:19: error: ISO C++ forbids declaration of ‘structured binding’ with no type [-fpermissive]
   44 |         for (auto [_, v] : X) {
      |                   ^~~~~~
answer.code:44:19: error: structured binding declaration cannot be C++98 ‘auto’
answer.code:44:19: error: structured binding declaration cannot have type ‘int’
answer.code:44:19: note: type must be cv-qualified ‘auto’ or reference to cv-qualified ‘auto’
answer.code:44:28: warning: range-based ‘for’ loops only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   44 |         for (auto [_, v] : X) {
      |                            ^
answer.code:44:28: error: forming reference to reference type ‘std::map<int, std::vector<int> >&’
answer.code:45:17: error: ‘ranges’ has not been declared
   45 |                 ranges::sort(v);
      |                 ^~~~~~
answer.code:47:22: error: ‘prefix_’ does not name a type
   47 |                 auto prefix_ = prefix_summ(v);
      |                      ^~~~~~~
answer.code:48:37: error: ‘prefix_’ was not declared in this scope
   48 |                 for (int i = 1; i < prefix_.size(); i++)
      |                                     ^~~~~~~
answer.code:53:19: warning: structured bindings only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
   53 |         for (auto [_, v] : Y) {
      |                   ^
answer.code:53:19: error: ISO C++ forbids declaration of ‘structured binding’ with no type [-fpermissive]
   53 |         for (auto [_, v] : Y) {
      |                   ^~~~~~
answer.code:53:19: error: structured binding declaration cannot be C++98 ‘auto’
answer.code:53:19: error: structured binding declaration cannot have type ‘int’
answer.code:53:19: note: type must be cv-qualified ‘auto’ or reference to cv-qualified ‘auto’
answer.code:53:28: warning: range-based ‘for’ loops only available with ‘-std=c++11’ or ‘-std=gnu++11’ [-Wc++11-extensions]
   53 |         for (auto [_, v] : Y) {
      |                            ^
answer.code:53:28: error: forming reference to reference type ‘std::map<int, std::vector<int> >&’
answer.code:54:17: error: ‘ranges’ has not been declared
   54 |                 ranges::sort(v);
      |                 ^~~~~~
answer.code:55:22: error: ‘prefix_’ does not name a type
   55 |                 auto prefix_ = prefix_summ(v);
      |                      ^~~~~~~
answer.code:56:37: error: ‘prefix_’ was not declared in this scope
   56 |                 for (int i = 1; i < prefix_.size(); i++)
      |                                     ^~~~~~~