Compilare: main.cpp: In function 'void build_length_profile()': main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int i = 1; i < nums.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:67:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int i = 0; i < nums_sizes.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~