Compilare: main.cpp: In constructor 'DisjointSets::DisjointSets(const int&)': main.cpp:25:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'const int' [-Wsign-compare] 25 | for (size_t i = 0; i < n; i++) | ~~^~~ main.cpp: In member function 'int DisjointSets::findSet(int)': main.cpp:33:15: warning: comparison of integer expressions of different signedness: 'int' and '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int>, long unsigned int>::value_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (x == parent[x])