Compilare: main.cpp: In function 'int main()': main.cpp:46:15: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'class std::vector<int>' with no trivial copy-assignment; use assignment or value-initialization instead [-Wclass-memaccess] 46 | memset(v,0,sizeof(v)); | ~~~~~~^~~~~~~~~~~~~~~ In file included from /usr/include/c++/12.2.1/vector:64, from main.cpp:2: /usr/include/c++/12.2.1/bits/stl_vector.h:423:11: note: 'class std::vector<int>' declared here 423 | class vector : protected _Vector_base<_Tp, _Alloc> | ^~~~~~