PDL is program design language. It involves no actual coding just writing words that describe what you want a program to do. This is pretty much what you did in your first post. Theb you take the words and turn it into computer code. I take it this is where you are stuck.

You're going to have to choose a language and begin learning the basics of that language. Regardless of what language you choose, you will have to learn about loops such as for loops, while loops, do while loops, etc. And of course, if statements, if else statements, etc. Once you learn these constructs you won't have so much trouble with this problem.

A c++ program to solve your problem can be done very simply.
First declare an array of size 10
then use a for loop to obtain a number for each of the 10 positions of the array.
Finally add all of the elements in the array by using the plus operator.
This is an easy way to solve your problem.

But how does that help him learn anything. . ?

I just gave some parts to help the OP get started. He needs to figure out how to use if statements to check illegal inputs and how to find the smallest number in the array. At the very least I introduced topics such as arrays that the OP can do further research to learn more about. Sorry if the post was bad.

Grn Xtrm gave a very good start here and I think it is your time to do your part. I suggest you research and read more on your preferred programming language to use.

Good luck!

can you try this way
for the algorithm loop in 'C' Language.

for ( vaiable = initialization, variable< Max No. To Loop,variable increment) ;