Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=0;i<fii.size();i++) | ~^~~~~~~~~~~ main.cpp:37:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if(i+1<fii.size() && fii[i]+fii[i+1]+2>k) | ~~~^~~~~~~~~~~