Eroare de compilare: user.cpp:1: error: expected constructor, destructor, or type conversion before ‘<’ token In file included from /usr/include/c++/4.4/cstring:44, from user.cpp:2: /usr/include/c++/4.4/cstddef:51: error: ‘::ptrdiff_t’ has not been declared user.cpp:14: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘bool DFS()’: user.cpp:28: error: ‘graph’ was not declared in this scope user.cpp:28: error: invalid type in declaration before ‘=’ token user.cpp:29: error: invalid type argument of ‘unary *’ user.cpp:29: error: invalid type argument of ‘unary *’ user.cpp:30: error: invalid type argument of ‘unary *’ user.cpp:31: error: invalid type argument of ‘unary *’ user.cpp: In function ‘int main()’: user.cpp:49: error: ‘graph’ was not declared in this scope user.cpp:59: error: ‘min’ was not declared in this scope user.cpp:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result