Rewrite the factorial algorithm using a for() loop

Question

must only accept values from 5-30 (inclusive) Must display appropriate error massage if not 5 - 30

Answer 1

int input=(someinput);

int quo = input;

if(input<5 || input>30)

cout<<"invalid input";

else{

for(int i=input-1;i>0;i--)

quo*=i;

}

cout<<"the factorial of "<<input<<" is: "<<quo;