What's my wrong

Question

I solved code project of section 3 but it seems doesn't work properly?
input <- readLines('stdin')
x <- as.integer(input[1])

data <- data.frame(
"id" = c(1:10),
"grade" = c(75, 26, 54, 90, 86, 93, 48, 71, 66, 99)
)
x <- (subset(data, grade> input))
print(length(x[,1]))

Answer 1

Greater than x NOT input
x <- (subset(data, grade > x))

Answer 2

ChaoticDawg but why not "input"?
Works with "input" too.

Answer 3

Vasiliy
Both the value of 'grade' and 'x' are of type integer. This way works without implicit type conversion. At least I believe that is what the issue may be. IDK for sure yet, haven't fully tested.

Answer 4

Absolutely right! "input" is a string variable, so we convert it to an integer by assigning it to the variable x: x <- as.integer (input [1]) If you don't do this, then comparing a number with a string we will not get exactly what we expect.