Why do I get a "Unexpected Input" error in R?

Question

x <- readLines('stdin')
x <- as.integer(x[1])

#define the function

stars(x) <- function(x) {
result <- ("*" * x)
print(result)
}

The exercise requires to output the number of "*" corresponding to user input in R.
I've tried without brackets, I've tried with "\", I've even tried without quotes... The error is always "unexpected input"?

Answer 1

I found the problem here. Suppose firstly, you should the stars define as a string then it's shown.

Check my code.

https://code.sololearn.com/c51L1zfgH3Hi/?ref=app

Answer 2

Your code is wrong, if you want to write the stars as much as input you should use a loop. Try this one,

x <- readLines('stdin')
x <- as.integer(x[1])

#define the function

stars <- function (x){
for (i in 1:x){
print("*")
}
}
stars(x)

Good luck in coding!

Answer 3

Thank you for your help! Defining as an integer, I should have thought about it.
I still need so much practice.

Answer 4

It's not necessary to initialize an output variable. Maybe her previous solution included invalid characters.

x <- readLines('stdin')
x <- as.integer(x[1])

stars <- function(x) {
for(i in 1:x){
print("*")
}
}
stars(x)

Answer 5

You're right Simba, thanks. I suppose the problem was just this statement "#define the function ". While I was writing this statement, I didn't realise. The part "the function" not a comment part. So, there was a problem.

Answer 6

Still gives me the same error message:

Error: unexpected input in " "
Execution halted

It seems it doesn't like the * in the quote marks. The \ does nothing to it. I really don't understand the point.