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