Compilare: main.cpp: In function 'int main()': main.cpp:34:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poligon7.in","r",stdin); ^ main.cpp:35:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poligon7.out","w",stdout); ^ main.cpp:36:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&pi,&t); ^ main.cpp:39:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:42:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].x,&v[i].y); ^ main.cpp:43:39: warning: 'my' may be used uninitialized in this function [-Wmaybe-uninitialized] if (v[i].x<mx||(v[i].x==mx&&v[i].y<my)) { ~~~~~~~~~~~^~~~~~~~~~~~