Compilare: main.cpp: In function 'bool valid(int, int, std::vector<int>&)': main.cpp:12:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (int i = 0; i < nums.size (); i++) | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int splitArray(std::vector<int>&, int)': main.cpp:42:10: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] 42 | return ans; | ^~~