#includevoidfun(inta[]，intn){inti，t;for(i=;i<n/;i++){t=a[i];a[i]=a[ni];a[ni]=t;}}main(){intk[]={，，，，，，，，，}，i;fun(k，);for(i=;i<;i++)printf(“%d”，k[i]);printf(“n”);}程序的运行结果是ABCD