Compilare: main.cpp: In function 'void solve(int)': main.cpp:109:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for (i=0;i<f.size();i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:161:15: warning: unused variable 'j' [-Wunused-variable] 161 | int n,m,i,j,u,nod,power; | ^