Eroare de compilare: main.cpp:9:13: error: 'int rand' redeclared as different kind of symbol int n,x,poz,rand,suma,nr; ^~~~ 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 'int main()': main.cpp:32:25: error: assignment of function 'int rand()' rand=(x/20)%4; ^ main.cpp:32:25: error: cannot convert 'int' to 'int() throw ()' in assignment main.cpp:33:31: error: invalid operands of types 'int() throw ()' and 'int' to binary 'operator*' suma=sum[poz]+rand*4; ~~~~^~ Non zero exit status: 1