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<w2[x].size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:83:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0; i<w2[nod].size(); i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:217:35: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 217 | if(sol.size() == z + 1) | ~~~~~~~~~~~^~~~~~~~