Eroare de compilare: main.cpp:59:5: error: 'int rand' redeclared as different kind of symbol int rand = 0; ^~~~ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/ext/string_conversions.h:41, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, 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/stdlib.h:374:12: note: previous declaration 'int rand()' extern int rand (void) __THROW; ^~~~ main.cpp: In function 'void join(int, int)': main.cpp:64:12: error: invalid operands of types 'int() throw ()' and 'int' to binary 'operator%' if (rand % 2 == 0) ~~~~~^~~ main.cpp:68:7: warning: ISO C++ forbids incrementing a pointer of type 'int (*)() throw ()' [-Wpointer-arith] rand++; ^~ main.cpp:68:7: error: lvalue required as increment operand Non zero exit status: 1