Compilare: main.cpp: In function 'void check_walls()': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i = 0; i < pereti.size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:9: warning: unused variable 'contor_matrice_pereti' [-Wunused-variable] 78 | int contor_matrice_pereti = 1; | ^~~~~~~~~~~~~~~~~~~~~