Compilare: main.cpp: In function 'std::vector<int> MCHC(std::vector<std::vector<int> >&)': main.cpp:17:39: warning: unused variable 'k' [-Wunused-variable] 17 | ll n=adi.size(),pn=(1<<n),msk,i,j,k; | ^ main.cpp: In function 'int main()': main.cpp:73:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(ll i=1;i<rez.size();i++)srez+=adi[rez[i-1]][rez[i]]; | ~^~~~~~~~~~~ main.cpp:61:14: warning: unused variable 'j' [-Wunused-variable] 61 | ll n,m,i,j,a,b,c; | ^