Compilare: main.cpp: In function 'void Solve()': main.cpp:47:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i=0;i<v[x].size();i++) | ~^~~~~~~~~~~~ main.cpp:37:9: warning: unused variable 'prim' [-Wunused-variable] 37 | int prim,ultim,x,ciclu; | ^~~~ main.cpp:37:14: warning: unused variable 'ultim' [-Wunused-variable] 37 | int prim,ultim,x,ciclu; | ^~~~~ main.cpp:37:22: warning: unused variable 'ciclu' [-Wunused-variable] 37 | int prim,ultim,x,ciclu; | ^~~~~