Eroare de compilare: user.cpp:11:14: error: ‘std::vector<int> div’ redeclared as different kind of symbol vector <int> div; ^~~ 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 Do()’: user.cpp:26:11: error: ‘std::div’ does not have class type div.push_back( i ); ^~~ user.cpp:29:13: error: ‘std::div’ does not have class type div.push_back( B / i ); ^~~ user.cpp:32:25: error: ‘std::div’ does not have class type for( int i = 0; i < div.size(); ++i ) ^~~ user.cpp:33:27: error: ‘std::div’ does not have class type for( int j = i; j < div.size(); ++j ) ^~~ user.cpp:35:30: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript prod = 1LL * div[i] * div[j]; ^ user.cpp:35:39: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript prod = 1LL * div[i] * div[j]; ^ user.cpp:38:27: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript A = ( B / div[i] ) * C / div[j]; ^ user.cpp:38:42: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript A = ( B / div[i] ) * C / div[j]; ^