Eroare de compilare: main.cpp:16:5: error: 'int time' redeclared as different kind of symbol int time, t[2][N], d[N], loc[N], S[5], l; ^~~~ 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/istream:38, from /usr/include/c++/6/fstream:38, 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:25:20: warning: ISO C++ forbids incrementing a pointer of type 'time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}' [-Wpointer-arith] t[0][node] = ++time; ^~~~ main.cpp:25:20: error: lvalue required as increment operand main.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < graph[node].size ( ); i++ ){ ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:34:20: warning: ISO C++ forbids incrementing a pointer of type 'time_t (*)(time_t*) throw () {aka long int (*)(long int*) throw ()}' [-Wpointer-arith] t[1][node] = ++time; ^~~~ main.cpp:34:20: error: lvalue required as increment operand main.cpp: In function 'int inc(int)': main.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ Non zero exit status: 1