Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (int num=0;num<V[node].size();num++){ | ~~~^~~~~~~~~~~~~~~ main.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int num=0;num<V[node].size();num++){ | ~~~^~~~~~~~~~~~~~~ main.cpp:24:16: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 24 | V[node][poz]=0; | ^ main.cpp:8:25: note: 'poz' was declared here 8 | int maxi1=0,maxi2=0,poz; | ^~~