Eroare de compilare: user.cpp:26:5: error: ‘int time’ redeclared as different kind of symbol int time = 0; ^ In file included from /usr/include/pthread.h:24:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/gthr-default.h:35, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/gthr.h:148, from /usr/include/c++/5/ext/atomicity.h:35, from /usr/include/c++/5/bits/ios_base.h:39, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/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(int)’: user.cpp:35:14: warning: ISO C++ forbids incrementing a pointer of type ‘time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}’ [-Wpointer-arith] t[s] = ++time; ^ user.cpp:35:14: error: lvalue required as increment operand