Compilare: main.cpp: In function 'std::pair<int, int> find_lca(std::vector<std::pair<int, int> >, std::vector<std::pair<int, int> >)': main.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 22 | for(int i = 0; i < min(path1.size(), path2.size()); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~