假定a=3,下列程序的运行结果是()。includeint fun(int n);void main(){cout 假定a=3,下列程序的运行结果是( )。 #include<iostream.h> int fun(int n); void main() { cout<<"Please input a number:"; int a,result=0; cin>>a; result=fun(a); cout<<result<<end1; } int fun(int n) { int p=1,result=0; for(int i=1;i<=n;i++) { p*=i; result +=p; } return result; }A.4B.8C.9D.20

假定a=3,下列程序的运行结果是()。includeint fun(int n);void main(){cout<<"Pleas

假定a=3,下列程序的运行结果是( )。 #include<iostream.h> int fun(int n); void main() { cout<<"Please input a number:"; int a,result=0; cin>>a; result=fun(a); cout<<result<<end1; } int fun(int n) { int p=1,result=0; for(int i=1;i<=n;i++) { p*=i; result +=p; } return result; }

A.4

B.8

C.9

D.20


相关考题:

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