Compilare: user.cpp: In member function ‘bool cmp::operator()(const Point&, const Point&) const’: user.cpp:30:40: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(p1.x < p2.x || p1.x == p2.x && p1.y < p2.y) ^ user.cpp: In function ‘int main()’: user.cpp:48:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("infasuratoare.in", "r", stdin); ^ user.cpp:49:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("infasuratoare.out", "w", stdout); ^ user.cpp:51:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:54:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &x, &y); ^