Eroare de compilare: user.cpp:6:5: error: ‘int rand’ redeclared as different kind of symbol int rand,n,l,t,i,sum,x,v[1<<17]; ^ In file included from /usr/include/c++/4.8/cstdlib:72:0, from /usr/include/c++/4.8/ext/string_conversions.h:41, from /usr/include/c++/4.8/bits/basic_string.h:2815, from /usr/include/c++/4.8/string:52, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/stdlib.h:380:12: error: previous declaration of ‘int rand()’ extern int rand (void) __THROW; ^ user.cpp: In function ‘int main()’: user.cpp:17:15: error: assignment of function ‘int rand()’ for(i=rand=1;i<=n;++i) ^ user.cpp:17:15: error: cannot convert ‘int’ to ‘int()throw ()’ in assignment user.cpp:22:15: error: ISO C++ forbids incrementing a pointer of type ‘int (*)()throw ()’ [-fpermissive] ++rand; ^ user.cpp:22:15: error: lvalue required as increment operand user.cpp:26:16: error: invalid conversion from ‘int (*)()throw ()’ to ‘int’ [-fpermissive] T[i].st=rand; ^ user.cpp:34:15: error: ISO C++ forbids decrementing a pointer of type ‘int (*)()throw ()’ [-fpermissive] --rand; ^ user.cpp:34:15: error: lvalue required as decrement operand user.cpp:38:16: error: invalid conversion from ‘int (*)()throw ()’ to ‘int’ [-fpermissive] T[i].dr=rand; ^