Compilare: user.cpp: In function ‘void Read(int&)’: user.cpp:19:28: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while ('0' <= Buff[it] && Buff[it] <= '9' || Buff[it] == '-') ^ user.cpp:17:42: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buff,1,Dim,stdin),it = 0; ^ user.cpp:26:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(Buff,1,Dim,stdin),it = 0; ^ user.cpp: In function ‘int main()’: user.cpp:33:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.in","r",stdin); ^ user.cpp:34:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.out","w",stdout); ^