Compilare: main.cpp: In function 'int main()': main.cpp:66:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:17:13: warning: unused variable 'j' [-Wunused-variable] 17 | int n,i,j,k,l,minim=100000,m,mux=100000,nod,cu,alerta=0,a,b,curr,maxim=0;; | ^ main.cpp:17:17: warning: unused variable 'l' [-Wunused-variable] 17 | int n,i,j,k,l,minim=100000,m,mux=100000,nod,cu,alerta=0,a,b,curr,maxim=0;; | ^ main.cpp:17:45: warning: variable 'nod' set but not used [-Wunused-but-set-variable] 17 | int n,i,j,k,l,minim=100000,m,mux=100000,nod,cu,alerta=0,a,b,curr,maxim=0;; | ^~~ main.cpp:71:33: warning: 'cu' may be used uninitialized in this function [-Wmaybe-uninitialized] 71 | if(cul[k][cu]==0) | ~~~~~~~~~^