vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | for(int i=0;i<C.size();i++){
| ~^~~~~~~~~
vision.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | for(int j=0;j<C.size();j++){
| ~^~~~~~~~~
vision.cpp:30:13: error: 'add_or' was not declared in this scope
30 | add_or(ask);
| ^~~~~~
vision.cpp:31:13: error: 'add_and' was not declared in this scope
31 | add_and({cur,C[i]});
| ^~~~~~~
vision.cpp:36:5: error: 'add_or' was not declared in this scope
36 | add_or(Ns);
| ^~~~~~