Compilare: main.cpp:2:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 2 | #import<vector> | ^~~~~~ main.cpp:3:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 3 | #import<bitset> | ^~~~~~ main.cpp:4:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 4 | #import<cmath> | ^~~~~~ main.cpp:68:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 68 | main() | ^~~~ main.cpp: In function 'int main()': main.cpp:81:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i=0;i<v.size() && n!=1 && 1LL*v[i]*v[i]<=n;i++) | ~^~~~~~~~~