Compilare: user.cpp: In function ‘int Search(int)’: user.cpp:83:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void Read(int&)’: user.cpp:45:36: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(f,MAX,1,IN),pos=0; ^ user.cpp:51:36: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(f,MAX,1,IN),pos=0; ^