foo.cc: In function 'int main()':
foo.cc:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int i=0;i<node[1].v.size();i++) {
      |              ~^~~~~~~~~~~~~~~~~
foo.cc:32:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for(int j=i+1;j<node[1].v.size();j++) {
      |                 ~^~~~~~~~~~~~~~~~~
foo.cc:37:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   37 |   if(i==node[1].h) break; flag=true;
      |   ^~
foo.cc:37:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   37 |   if(i==node[1].h) break; flag=true;
      |                           ^~~~
foo.cc:41:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |    for(int k=1;k<=node[j].v.size();k++) {
      |                ~^~~~~~~~~~~~~~~~~~

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