Compilare: main.cpp: In function 'int findpoz(int, int)': main.cpp:48:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i = 0; i<w[x].size(); i++) | ~^~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:64:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i = 0; i<w[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:189:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 189 | if(sol.size() == z + 1) | ~~~~~~~~~~~^~~~~~~~