Eroare de compilare: user.cpp:6:5: error: ‘int time’ redeclared as different kind of symbol int time; ^~~~ In file included from /usr/include/pthread.h:24:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/gthr-default.h:35, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/gthr.h:148, from /usr/include/c++/6/ext/atomicity.h:35, from /usr/include/c++/6/bits/ios_base.h:39, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from user.cpp:1: /usr/include/time.h:192:15: note: previous declaration ‘time_t time(time_t*)’ extern time_t time (time_t *__timer) __THROW; ^~~~ user.cpp: In function ‘void dfs_visit(lista*, lista&, int, lista&)’: user.cpp:60:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] time=time+1; ^ user.cpp:60:15: error: assignment of function ‘time_t time(time_t*)’ user.cpp:60:15: error: cannot convert ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘time_t(time_t*) throw () {aka long int(long int*) throw ()}’ in assignment user.cpp:61:9: error: invalid conversion from ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘int’ [-fpermissive] u.d=time; ^~~~ user.cpp:82:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] time=time+1; ^ user.cpp:82:15: error: assignment of function ‘time_t time(time_t*)’ user.cpp:82:15: error: cannot convert ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘time_t(time_t*) throw () {aka long int(long int*) throw ()}’ in assignment user.cpp:83:9: error: invalid conversion from ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘int’ [-fpermissive] u.f=time; ^~~~ user.cpp: In function ‘void dfs_visit_conexa(lista*, lista&, int)’: user.cpp:88:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] time=time+1; ^ user.cpp:88:15: error: assignment of function ‘time_t time(time_t*)’ user.cpp:88:15: error: cannot convert ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘time_t(time_t*) throw () {aka long int(long int*) throw ()}’ in assignment user.cpp:89:9: error: invalid conversion from ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘int’ [-fpermissive] u.d=time; ^~~~ user.cpp:108:15: warning: pointer to a function used in arithmetic [-Wpointer-arith] time=time+1; ^ user.cpp:108:15: error: assignment of function ‘time_t time(time_t*)’ user.cpp:108:15: error: cannot convert ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘time_t(time_t*) throw () {aka long int(long int*) throw ()}’ in assignment user.cpp:109:9: error: invalid conversion from ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ to ‘int’ [-fpermissive] u.f=time; ^~~~ user.cpp: In function ‘void dfs_conexa(lista*, int, const lista&)’: