Eroare de compilare: main.cpp:9:24: error: 'std::vector<long long int> div' redeclared as different kind of symbol std::vector<long long> 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: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:788:14: note: previous declaration 'div_t div(int, int)' extern div_t div (int __numer, int __denom) ^~~ main.cpp: In function 'int main()': main.cpp:24:11: error: request for member 'push_back' in 'div', which is of non-class type 'div_t(int, int) throw ()' div.push_back(i); ^~~~~~~~~ main.cpp:26:13: error: request for member 'push_back' in 'div', which is of non-class type 'div_t(int, int) throw ()' div.push_back(b / i); ^~~~~~~~~ main.cpp:28:36: error: request for member 'size' in 'div', which is of non-class type 'div_t(int, int) throw ()' for (unsigned int i = 0; i < div.size(); i++) ^~~~ main.cpp:29:38: error: request for member 'size' in 'div', which is of non-class type 'div_t(int, int) throw ()' for (unsigned int j = i; j < div.size(); j++) { ^~~~ main.cpp:30:27: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ((b * b) % (div[i] * div[j]) == 0) { ^ main.cpp:30:36: warning: pointer to a function used in arithmetic [-Wpointer-arith] if ((b * b) % (div[i] * div[j]) == 0) { ^ main.cpp:30:29: error: invalid operands of types 'div_t(int, int) throw ()' and 'div_t(int, int) throw ()' to binary 'operator*' if ((b * b) % (div[i] * div[j]) == 0) { ~~~~~~~^~~~~~~~ main.cpp:31:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] long long u = div[i] * div[j]; ^ main.cpp:31:37: warning: pointer to a function used in arithmetic [-Wpointer-arith] long long u = div[i] * div[j]; ^ main.cpp:31:30: error: invalid operands of types 'div_t(int, int) throw ()' and 'div_t(int, int) throw ()' to binary 'operator*' long long u = div[i] * div[j]; ~~~~~~~^~~~~~~~ main.cpp:32:39: warning: pointer to a function used in arithmetic [-Wpointer-arith] long long v = (b * b) / (div[i] * div[j]); ^ Non zero exit status: 1