Compilare: user.cpp: In function ‘int get_int()’: user.cpp:39:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(!cif[x]) ^ user.cpp:49:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(cif[x]) ^ user.cpp: In function ‘void pleaca(int, int, point&, point&)’: user.cpp:134:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((v[x1].x-v[md].x)*(v[x1].x-v[md].x)<=eta) ^ user.cpp:143:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((v[x2].x-v[md].x)*(v[x2].x-v[md].x)<=eta) ^ user.cpp:153:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((v[x1].x-v[md].x)*(v[x1].x-v[md].x)<=eta) ^ user.cpp:162:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((v[x2].x-v[md].x)*(v[x2].x-v[md].x)<=eta) ^ user.cpp: In function ‘char get_char()’: user.cpp:25:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(BUF,SBUF,1,in); ^