Compilare: main.cpp: In function 'void dfs(int, int, int*)': main.cpp:49:39: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 49 | if(!g[x].size() || g[x].size()==1 && g[x][0]==ant) | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:51:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i=0;i<g[x].size();i++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:12: warning: 'nod' may be used uninitialized [-Wmaybe-uninitialized] 41 | dfs(nod,0,v); | ~~~^~~~~~~~~ main.cpp:17:32: note: 'nod' was declared here 17 | int n,m,minim=10000000,nod; | ^~~