Compilare: user.cpp: In function ‘void jibril()’: user.cpp:18:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] cif[i]=1; ^ user.cpp: In function ‘long long int get_int()’: user.cpp:44:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(!cif[x]) ^ user.cpp:59:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(cif[x]) ^ user.cpp: In function ‘long long int dfs(int, int)’: user.cpp:98:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[nod].size(); i++) ^ user.cpp: In function ‘char get_char()’: user.cpp:32:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf,SIZE,1,in); ^