Eroare de compilare: main.cpp:13:5: error: 'int time' redeclared as different kind of symbol int time,root,children,sols; ^~~~ In file included from /usr/include/pthread.h:24:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/gthr-default.h:35, from /usr/include/x86_64-linux-gnu/c++/6/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 main.cpp:1: /usr/include/time.h:192:15: note: previous declaration 'time_t time(time_t*)' extern time_t time (time_t *__timer) __THROW; ^~~~ main.cpp: In function 'void dfs(int)': main.cpp:17:9: warning: ISO C++ forbids incrementing a pointer of type 'time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}' [-Wpointer-arith] time++; ^~ main.cpp:17:9: error: lvalue required as increment operand main.cpp:18:28: error: invalid conversion from 'time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}' to '__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}' [-fpermissive] discover[u] = low[u] = time; ^~~~ main.cpp:19:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < g[u].size();i++) ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0;j < sol[i].size();j++) ~~^~~~~~~~~~~~~~~ Non zero exit status: 1