Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:22:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 22 | if(x!=tata) | ^ main.cpp: In function 'int main()': main.cpp:90:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 90 | if(nivel[i]==2) | ^ main.cpp:88:13: warning: unused variable 'nrc' [-Wunused-variable] 88 | int nrc=0; | ^~~ main.cpp:131:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 131 | for(j=1;j<=biconexe[i].size()-nr[i];j++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~