Compilare: user.cpp: In function ‘int main()’: user.cpp:8:15: warning: unused variable ‘i’ [-Wunused-variable] int n,k,t,i,cnt,san; ^ user.cpp:8:17: warning: unused variable ‘cnt’ [-Wunused-variable] int n,k,t,i,cnt,san; ^ user.cpp:8:21: warning: unused variable ‘san’ [-Wunused-variable] int n,k,t,i,cnt,san; ^ user.cpp:13:18: warning: ‘n’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (n-k<n/2) ^ user.cpp:13:14: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (n-k<n/2) ^