Joi.code: In function ‘void {anonymous}::InitialSubtree(int, int, std::vector<int>&)’:
Joi.code:52:15: warning: range-based ‘for’ loops only available with ‘-std=c++11’ or ‘-std=gnu++11’
   52 |  for (int q : tree[p]) if (q != rt) {
      |               ^~~~
Joi.code:52:21: error: forming reference to reference type ‘std::vector<int>&’
   52 |  for (int q : tree[p]) if (q != rt) {
      |                     ^
Joi.code: In function ‘void {anonymous}::ComputeSubtrees(int, int, std::vector<std::pair<int, int> >)’:
Joi.code:59:12: error: ‘v’ does not name a type
   59 |  for (auto v : sub) if (v.first == p) has = true;
      |            ^
Joi.code:59:50: error: expected ‘;’ before ‘if’
   59 |  for (auto v : sub) if (v.first == p) has = true;
      |                                                  ^
      |                                                  ;
   60 | 
   61 |  if (!has) {
      |  ~~                                               
Joi.code:61:2: error: expected primary-expression before ‘if’
   61 |  if (!has) {
      |  ^~
Joi.code:59:50: error: expected ‘;’ before ‘if’
   59 |  for (auto v : sub) if (v.first == p) has = true;
      |                                                  ^
      |                                                  ;
   60 | 
   61 |  if (!has) {
      |  ~~                                               
Joi.code:61:2: error: expected primary-expression before ‘if’
   61 |  if (!has) {
      |  ^~
Joi.code:59:50: error: expected ‘)’ before ‘if’
   59 |  for (auto v : sub) if (v.first == p) has = true;
      |      ~                                           ^
      |                                                  )
   60 | 
   61 |  if (!has) {
      |  ~~                                               
Joi.code:83:12: error: ‘v’ does not name a type
   83 |  for (auto v : sub) subtree[p].push_back(v.first);
      |            ^
Joi.code:83:51: error: expected ‘;’ before ‘for’
   83 |  for (auto v : sub) subtree[p].push_back(v.first);
      |                                                   ^
      |                                                   ;
   84 |  for (int q : tree[p]) if (q != rt) {
      |  ~~~                                               
Joi.code:84:2: error: expected primary-expression before ‘for’
   84 |  for (int q : tree[p]) if (q != rt) {
      |  ^~~
Joi.code:83:51: error: expected ‘;’ before ‘for’
   83 |  for (auto v : sub) subtree[p].push_back(v.first);
      |                                                   ^
      |                                                   ;
   84 |  for (int q : tree[p]) if (q != rt) {
      |  ~~~                                               
Joi.code:84:2: error: expected primary-expression before ‘for’
   84 |  for (int q : tree[p]) if (q != rt) {
      |  ^~~
Joi.code:83:51: error: expected ‘)’ before ‘for’
   83 |  for (auto v : sub) subtree[p].push_back(v.first);
      |      ~                                            ^
      |                                                   )
   84 |  for (int q : tree[p]) if (q != rt) {
      |  ~~~                                               
Joi.code:84:15: warning: range-based ‘for’ loops only available with ‘-std=c++11’ or ‘-std=gnu++11’
   84 |  for (int q : tree[p]) if (q != rt) {
      |               ^~~~
Joi.code:84:21: error: forming reference to reference type ‘std::vector<int>&’
   84 |  for (int q : tree[p]) if (q != rt) {
      |                     ^
Joi.code: In function ‘void {anonymous}::CommonProc(int, int, int*, int*)’:
Joi.code:101:22: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’
  101 |   tree_deg.push_back({ tree[i], deg });
      |                      ^
Joi.code:101:38: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’
  101 |   tree_deg.push_back({ tree[i], deg });
      |                                      ^
In file included from grader_Joi.cpp:2:
testlib.h: In member function ‘std::vector<T> random_t::distinct(int, T, T)’:
testlib.h:997:9: error: ‘uint64_t’ was not declared in this scope; did you mean ‘u_int64_t’?
  997 |         uint64_t n = to - from + 1;
      |         ^~~~~~~~
      |         u_int64_t
testlib.h:998:30: error: ‘n’ was not declared in this scope
  998 |         if (uint64_t(size) > n)
      |                              ^
testlib.h:1007:32: error: ‘n’ was not declared in this scope
 1007 |             expected += double(n) / double(n - i + 1);
      |                                ^
testlib.h:1009:31: error: ‘n’ was not declared in this scope
 1009 |         if (expected < double(n)) {
      |                               ^
grader_Joi.cpp: In function ‘int {anonymous}::Move(int)’:
grader_Joi.cpp:30:19: warning: extended initializer lists only available with ‘-std=c++11’ or ‘-std=gnu++11’
   30 |  if (!edges.count({ pos, dest })) {
      |                   ^
grader_Joi.cpp:30:32: warning: extended initializer lists only availabl...