Compilare: main.cpp: In function 'void dfs(short int, short int)': main.cpp:17:21: warning: comparison of integer expressions of different signedness: 'short int' and 'std::vector<std::pair<short int, short int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(short i=0; i<vecini[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve(short int)': main.cpp:65:29: warning: comparison of integer expressions of different signedness: 'short int' and 'std::vector<std::pair<short int, short int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(short i=0; i<vecini[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~~