Eroare de compilare: user.cpp: In member function 'int hashmap::get(int)': user.cpp:14: warning: comparison between signed and unsigned integer expressions user.cpp: In member function 'void hashmap::add(int, int)': user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp: At global scope: user.cpp:33: error: two or more data types in declaration of 'n' user.cpp:33: error: two or more data types in declaration of 's' user.cpp: In function 'int dfs(int)': user.cpp:42: error: 's' was not declared in this scope user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:57: error: 'n' was not declared in this scope user.cpp:57: error: 's' was not declared in this scope