Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:50: error: invalid conversion from ‘char’ to ‘const char*’ user.cpp:50: error: initializing argument 2 of ‘char* strstr(char*, const char*)’ user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp:56: error: expected ‘;’ before ‘strcpy’ user.cpp:56: warning: statement has no effect user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp:74: error: expected ‘}’ at end of input