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<std::pair<int, 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<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i = 0; i<w[nod].size(); i++) | ~^~~~~~~~~~~~~~