Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:17: error: ‘i’ was not declared in this scope user.cpp:18: error: ‘d’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:41: error: ‘j’ was not declared in this scope user.cpp:43: error: ‘it’ was not declared in this scope user.cpp:44: error: ‘d’ was not declared in this scope user.cpp:46: error: invalid types ‘int[int]’ for array subscript user.cpp:30: warning: unused variable ‘s’ user.cpp:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result