Eroare de compilare: user.cpp:10:28: error: ‘short int select [1000][1000]’ redeclared as different kind of symbol short int select[NMAX][MMAX]; ^ In file included from /usr/include/sys/types.h:220:0, from /usr/include/stdlib.h:320, from /usr/local/include/c++/4.8.0/cstdlib:72, from /usr/local/include/c++/4.8.0/ext/string_conversions.h:41, from /usr/local/include/c++/4.8.0/bits/basic_string.h:2817, from /usr/local/include/c++/4.8.0/string:52, from /usr/local/include/c++/4.8.0/bits/locale_classes.h:40, from /usr/local/include/c++/4.8.0/bits/ios_base.h:41, from /usr/local/include/c++/4.8.0/ios:42, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/include/sys/select.h:109:12: error: previous declaration of ‘int select(int, fd_set*, fd_set*, fd_set*, timeval*)’ extern int select (int __nfds, fd_set *__restrict __readfds, ^ user.cpp: In function ‘int BFS()’: user.cpp:36:116: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (is_in_matrix(new_x,new_y) && matrix[new_x][new_y] != 0 && matrix[new_x][new_y] < H && !select[new_x][new_y]) ^ user.cpp:36:123: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (is_in_matrix(new_x,new_y) && matrix[new_x][new_y] != 0 && matrix[new_x][new_y] < H && !select[new_x][new_y]) ^ user.cpp:38:29: warning: pointer to a function used in arithmetic [-Wpointer-arith] select[new_x][new_y] = true; ^ user.cpp:38:36: warning: pointer to a function used in arithmetic [-Wpointer-arith] select[new_x][new_y] = true; ^ user.cpp:38:38: error: assignment of read-only location ‘*(select + (((sizetype)new_x) + ((sizetype)new_y)))’ select[new_x][new_y] = true; ^ user.cpp:38:38: error: cannot convert ‘bool’ to ‘int(int, fd_set*, fd_set*, fd_set*, timeval*)’ in assignment user.cpp: In function ‘int main()’: user.cpp:58:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] select[i][j] = true; ^ user.cpp:58:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] select[i][j] = true; ^ user.cpp:58:30: error: assignment of read-only location ‘*(select + (((sizetype)i) + ((sizetype)j)))’ select[i][j] = true; ^ user.cpp:58:30: error: cannot convert ‘bool’ to ‘int(int, fd_set*, fd_set*, fd_set*, timeval*)’ in assignment