Compilare: main.cpp: In function 'double getArea(std::vector<point>&)': main.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size() - 1; i++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'long long int getNumberOfPointsOnSidesOfPolygon(std::vector<point>&)': main.cpp:64:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size() - 1; i++) ~~^~~~~~~~~~~~~~