Eroare de compilare: user.cpp:55:16: error: ‘int time’ redeclared as different kind of symbol int N, numScc, time; ^ In file included from /usr/include/pthread.h:26:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/gthr-default.h:35, from /usr/include/i386-linux-gnu/c++/4.8/bits/gthr.h:148, from /usr/include/c++/4.8/ext/atomicity.h:33, from /usr/include/c++/4.8/bits/basic_string.h:39, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/stdexcept:39, from /usr/include/c++/4.8/array:38, from /usr/include/c++/4.8/tuple:39, from /usr/include/c++/4.8/bits/stl_map.h:63, from /usr/include/c++/4.8/map:61, from user.cpp:4: /usr/include/time.h:186:15: error: previous declaration of ‘time_t time(time_t*)’ extern time_t time (time_t *__timer) __THROW; ^ user.cpp: In function ‘int Tarjan(int)’: user.cpp:67:21: error: ISO C++ forbids incrementing a pointer of type ‘time_t (*)(time_t*)throw () {aka long int (*)(long int*)throw ()}’ [-fpermissive] d[u] = low[u] = ++time; ^ user.cpp:67:21: error: lvalue required as increment operand user.cpp:106:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:116:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &N); ^ user.cpp:118:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &size[i]); ^ user.cpp:122:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &adj[i][j]); ^ user.cpp:152:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("control.out", "w", stdout); ^