Compilare: user.cpp: In function ‘int main()’: user.cpp:107:35: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] ifbuffer fin( "fandoseala.in" ); ^ user.cpp:125:18: warning: narrowing conversion of ‘x’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] v[i] = { x, y, i }; ^ user.cpp:125:18: warning: narrowing conversion of ‘y’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] user.cpp:103:12: warning: unused variable ‘x’ [-Wunused-variable] double x, y; ^ user.cpp:103:15: warning: unused variable ‘y’ [-Wunused-variable] double x, y; ^ user.cpp: In member function ‘void ifbuffer::refill()’: user.cpp:19:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( text, 1, size, file ); ^