Compilare: user.cpp: In function ‘void Citeste(int&)’: user.cpp:18:49: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++poz==DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:22:53: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++poz==DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int Query(int, int, int, int, int)’: user.cpp:84:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void Read()’: user.cpp:105:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&M); ^ user.cpp: In function ‘int main()’: user.cpp:142:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.in","r",stdin); ^ user.cpp:143:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.out","w",stdout); ^ user.cpp: In function ‘int CautBin(int)’: user.cpp:98:12: warning: ‘f’ may be used uninitialized in this function [-Wmaybe-uninitialized] return f; ^