Compilare: main.cpp: In function 'void dfs(int)': main.cpp:14:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (i=0; i<lista[nod].size(); i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:16: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 61 | if (puncte[lca]==maxx) | ^ main.cpp:72:31: warning: 'j2' may be used uninitialized [-Wmaybe-uninitialized] 72 | cout<<maxx<<" "<<j1<<" "<<j2; | ^~ main.cpp:36:31: note: 'j2' was declared here 36 | int n,q,i,x,y,lca,maxx,j1,j2; | ^~ main.cpp:72:26: warning: 'j1' may be used uninitialized [-Wmaybe-uninitialized] 72 | cout<<maxx<<" "<<j1<<" "<<j2; | ^~~ main.cpp:36:28: note: 'j1' was declared here 36 | int n,q,i,x,y,lca,maxx,j1,j2; | ^~