Compilare: user.cpp: In function ‘int main()’: user.cpp:58:45: 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:59:47: 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:61:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^ user.cpp:64:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%lf%lf", &P [i].x, &P [i].y); ^ user.cpp:72:18: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] P [poz] = aux; ^