Eroare de compilare: user.cpp:7:5: error: ‘int div’ redeclared as different kind of symbol int div,a,b,k=0,d[100001],v[10000001]; ^~~ 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:5417, 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 user.cpp:1: /usr/include/stdlib.h:788:14: note: previous declaration ‘div_t div(int, int)’ extern div_t div (int __numer, int __denom) ^~~ user.cpp: In function ‘void desc()’: user.cpp:31:10: error: no pre-increment operator for type {d[++div]=v[cnt]; ^~~ user.cpp:27:5: warning: unused variable ‘i’ [-Wunused-variable] int i=2,cnt=1; ^ user.cpp: In function ‘int main()’: user.cpp:64:5: error: overloaded function with no contextual type information div=0; ^ user.cpp:66:7: error: cannot resolve overloaded function ‘div’ based on conversion to type ‘int’ int n=div; ^~~ user.cpp:63:9: warning: unused variable ‘cc’ [-Wunused-variable] int s=0,cc=b; ^~