Compilare: main.cpp: In member function 'bool Point::operator=(const Point&)': main.cpp:16:5: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int solve(int, int)': main.cpp:57:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < rectangle.size(); i++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:58:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i + 1; j < rectangle.size() && j - i < 8; j++) ~~^~~~~~~~~~~~~~~~~~