Compilare: user.cpp: In function ‘int main()’: user.cpp:32:10: warning: deleting array ‘v’ [enabled by default] delete v; ^ user.cpp:15:17: warning: unused variable ‘at’ [-Wunused-variable] {int n,t,j,pr=0,at,c,x; ^ user.cpp:15:20: warning: unused variable ‘c’ [-Wunused-variable] {int n,t,j,pr=0,at,c,x; ^ user.cpp:15:22: warning: unused variable ‘x’ [-Wunused-variable] {int n,t,j,pr=0,at,c,x; ^ user.cpp:19:5: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] int d; ^