Eroare de compilare: main.cpp:8:34: error: 'std::pair<int, int> time [10005]' redeclared as different kind of symbol std :: pair <int, int> time[N_MAX]; ^ 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:12:14: warning: pointer to a function used in arithmetic [-Wpointer-arith] time[node].first = ++t; ^ main.cpp:12:16: error: request for member 'first' in '*(time + ((sizetype)node))', which is of non-class type 'time_t(time_t*) throw () {aka long int(long int*) throw ()}' time[node].first = ++t; ^~~~~ main.cpp:18:14: warning: pointer to a function used in arithmetic [-Wpointer-arith] time[node].second = ++t; ^ main.cpp:18:16: error: request for member 'second' in '*(time + ((sizetype)node))', which is of non-class type 'time_t(time_t*) throw () {aka long int(long int*) throw ()}' time[node].second = ++t; ^~~~~~ main.cpp: In function 'int main()': main.cpp:40:21: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^ main.cpp:40:23: error: request for member 'first' in '*(time + ((sizetype)a))', which is of non-class type 'time_t(time_t*) throw () {aka long int(long int*) throw ()}' if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^~~~~ main.cpp:40:37: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^ main.cpp:40:39: error: request for member 'first' in '*(time + ((sizetype)b))', which is of non-class type 'time_t(time_t*) throw () {aka long int(long int*) throw ()}' if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^~~~~ main.cpp:40:55: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^ main.cpp:40:57: error: request for member 'second' in '*(time + ((sizetype)a))', which is of non-class type 'time_t(time_t*) throw () {aka long int(long int*) throw ()}' if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^~~~~~ main.cpp:40:72: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ( (time[a].first < time[b].first and time[a].second > time[b].second) || (time[b].first < time[a].first and time[b].second > time[a].second)) ^ Non zero exit status: 1