Eroare de compilare: user.cpp:9:14: error: ‘std::vector<int> div’ redeclared as different kind of symbol vector <int> 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 prepare()’: 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 ‘void solve()’: user.cpp:25:24: error: ‘std::div’ does not have class type for(int i = 0; i < div.size(); ++i){ ^ user.cpp:26:28: error: ‘std::div’ does not have class type for(int j = i; j < div.size(); ++j){ ^ user.cpp:27:31: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript ll p = 1LL * div[i] * div[j]; ^ user.cpp:27:40: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript ll p = 1LL * div[i] * div[j]; ^ user.cpp:29:30: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript ll a = (b / div[i]) * c / div[j]; ^ user.cpp:29:44: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript ll a = (b / div[i]) * c / div[j]; ^ user.cpp: In function ‘void print()’: user.cpp:38:30: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::vector<std::pair<long long int, long long int> >::size_type {aka long unsigned int}’ [-Wformat=] printf("%d\n", sol.size()); ^ user.cpp: In function ‘int main()’: user.cpp:46:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.in", "r", stdin); ^