Eroare de compilare: user.cpp:13:40: error: ‘long long int rand’ redeclared as different kind of symbol long long cer,n,i,j,c[1276],smax,s,sum,rand,st,dr,mj; ^ 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:8: /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:61:21: error: assignment of function ‘int rand()’ rand=i; ^ user.cpp:61:21: error: cannot convert ‘long long int’ to ‘int()throw ()’ in assignment user.cpp:65:15: warning: the address of ‘int rand()’ will always evaluate as ‘true’ [-Waddress] cout<<rand; ^