20 lines
528 B
R
20 lines
528 B
R
|
#Find the factorial of a number
|
||
|
|
# take input from the user
|
||
|
|
num = as.integer(readline(prompt="Enter a number: "))
|
||
|
|
factorial = 1
|
||
|
|
|
||
|
|
# check is the number is negative, positive or zero
|
||
|
|
if(num < 0) {
|
||
|
|
print("Sorry, factorial does not exist for negative numbers")
|
||
|
|
} else if(num == 0) {
|
||
|
|
print("The factorial of 0 is 1")
|
||
|
|
} else {
|
||
|
|
for(i in 1:num) {
|
||
|
|
factorial = factorial * i
|
||
|
|
}
|
||
|
|
print(paste("The factorial of", num ,"is",factorial))
|
||
|
|
}
|
||
|
|
Output
|
||
|
|
|
||
|
|
Enter a number: 8
|
||
|
|
[1] "The factorial of 8 is 40320"
|