Compilare: user.cpp: In function ‘double poligonArea(std::vector<Point>)’: user.cpp:79:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < points.size(); i++) { ^ user.cpp: In function ‘bool pointInPoligon(Point, std::vector<Point>)’: user.cpp:88:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < points.size(); i++) { ^ user.cpp: In function ‘void infasuratoare(std::vector<Point>&)’: user.cpp:155:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (ind < points.size()) { ^ user.cpp: In function ‘int main()’: user.cpp:184:35: warning: narrowing conversion of ‘x’ from ‘double’ to ‘int’ inside { } [-Wnarrowing] poligon1.push_back(Point {x, y}); ^ user.cpp:184:35: warning: narrowing conversion of ‘y’ from ‘double’ to ‘int’ inside { } [-Wnarrowing] user.cpp:191:35: warning: narrowing conversion of ‘x’ from ‘double’ to ‘int’ inside { } [-Wnarrowing] poligon2.push_back(Point {x, y}); ^ user.cpp:191:35: warning: narrowing conversion of ‘y’ from ‘double’ to ‘int’ inside { } [-Wnarrowing] user.cpp:174:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.in", "r", stdin); ^ user.cpp:175:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.out", "w", stdout); ^ user.cpp:178:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:183:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &x, &y); ^ user.cpp:187:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &M); ^ user.cpp:190:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &x, &y); ^