Factorial: Difference between revisions
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<lang Langur>val .factorial = f if(.x < 2: 1; .x x self(.x - 1))
writeln .factorial(7)</lang>
=== Iterative ===
val .factorial = f(.i) {
var .answer = 1
for .x = 1; .x <= .i; .x = .x + 1 {
.answer = .answer x .x
}
.answer
}
writeln .factorial(7)
{{out}}
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