Eroare de compilare: user.cpp:6:20: error: ‘std::vector<long long int> div’ redeclared as different kind of symbol vector <long long> div; ^ In file included from /usr/include/c++/5/cstdlib:72:0, from /usr/include/c++/5/ext/string_conversions.h:41, from /usr/include/c++/5/bits/basic_string.h:5249, from /usr/include/c++/5/string:52, from /usr/include/c++/5/bits/locale_classes.h:40, from /usr/include/c++/5/bits/ios_base.h:41, from /usr/include/c++/5/ios:42, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, 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 citire()’: user.cpp:17:13: error: ‘std::div’ does not have class type div.push_back(i); ^ user.cpp:19:17: error: ‘std::div’ does not have class type div.push_back(b/i); ^ user.cpp: In function ‘int main()’: user.cpp:30:19: error: ‘std::div’ does not have class type for(int i=0;i<div.size();i++) ^ user.cpp:32:23: error: ‘std::div’ does not have class type for(int j=i;j<div.size();j++) ^ user.cpp:34:31: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript long long p= div[i]*div[j]; ^ user.cpp:34:38: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript long long p= div[i]*div[j]; ^ user.cpp:36:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript a=(b/div[i])*(c/div[j]); ^ user.cpp:36:34: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript a=(b/div[i])*(c/div[j]); ^ user.cpp:41:16: error: unable to deduce ‘auto&&’ from ‘std::div’ for(auto i:div) ^ user.cpp:47:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::set<std::pair<long long int, long long int> >::size_type {aka long unsigned int}’ [-Wformat=] printf("%d\n",sol.size()); ^ user.cpp: In function ‘void citire()’: user.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]