Compilare: main.cpp: In function 'void dfs(int64_t, int64_t, int64_t, int64_t)': main.cpp:42:29: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = poz + 1; i < d.size(); i++) | ~~^~~~~~~~~~