Compilare: user.cpp: In function ‘int main()’: user.cpp:83:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<Time.size();i++) { ^ user.cpp:72:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("praslea.in","r",stdin); ^ user.cpp:73:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("praslea.out","w",stdout); ^ user.cpp:75:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&rmax); ^ user.cpp: In member function ‘void Monster::read()’: user.cpp:23:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&Begin,&End,&Force,&Risk); ^