Compilare: main.cpp: In function 'int main()': main.cpp:68:39: warning: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'class std::bitset<510>'; use assignment or value-initialization instead [-Wclass-memaccess] 68 | memset(viz, false, sizeof(viz)); | ^ In file included from main.cpp:4: /usr/include/c++/10/bitset:751:11: note: 'class std::bitset<510>' declared here 751 | class bitset | ^~~~~~