Eroare de compilare: user.cpp: In function ‘void add(int*, int)’: user.cpp:16:9: warning: unused variable ‘t’ [-Wunused-variable] int t = 0; ^ user.cpp: In function ‘int main()’: user.cpp:30:24: error: invalid conversion from ‘char’ to ‘std::basic_istream<char>::char_type* {aka char*}’ [-fpermissive] fin.getline (x, 101); ^ In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:427:7: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::getline(std::basic_istream<_CharT, _Traits>::char_type*, std::streamsize) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::char_type = char; std::streamsize = int]’ [-fpermissive] getline(char_type* __s, streamsize __n) ^ user.cpp:31:27: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] for (int i = strlen (x) - 1; i >= 0; i++) { ^ In file included from user.cpp:2:0: /usr/include/string.h:399:15: error: initializing argument 1 of ‘size_t strlen(const char*)’ [-fpermissive] extern size_t strlen (__const char *__s) ^ user.cpp:32:24: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] S[i - strlen (x)] = x[i] - '0'; ^ In file included from user.cpp:2:0: /usr/include/string.h:399:15: error: initializing argument 1 of ‘size_t strlen(const char*)’ [-fpermissive] extern size_t strlen (__const char *__s) ^ user.cpp:32:32: error: invalid types ‘char[int]’ for array subscript S[i - strlen (x)] = x[i] - '0'; ^ user.cpp:34:21: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] S[0] = strlen (x) - 1; ^ In file included from user.cpp:2:0: /usr/include/string.h:399:15: error: initializing argument 1 of ‘size_t strlen(const char*)’ [-fpermissive] extern size_t strlen (__const char *__s) ^