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mdad:laboratoare:01 [2020/10/19 09:14]
alexandru.radovici
mdad:laboratoare:01 [2020/10/19 14:47] (current)
ioana_maria.culic [Tasks]
Line 16: Line 16:
   - Write a Kotlin function that computes the factorial for n in an iterative way (without recursion).   - Write a Kotlin function that computes the factorial for n in an iterative way (without recursion).
   - Modify the previous function in such a way that is is written as a single expression.   - Modify the previous function in such a way that is is written as a single expression.
 +  - Write an operator extension to so that the ''​!n''​ will compute n the factorial of n. (Hint: [[https://​kotlinlang.org/​docs/​reference/​operator-overloading.html|Operator Overloading]])
 +  - Write an Int extension function that computes (as Double) the logarithm of its parameter in base ''​this''​. Use it in two ways:
 +    - ''​2.log(8.0)''​
 +    - ''​2 log 8.0''​
 +  - Modify the previous task to be able to use the function with Int numbers as well (`2 log 8`)
 +  - Make the following example work:
 +<code kotlin>
 +data class Complex (var r: Double, var i: Double)
 + 
 +fun main () {
 +    val a = Complex (1.0,2.0)
 +    val b = Complex (3.0,4.0)
 + 
 +    var s1 = a + b
 +    var s2 = a - b
 +    var s3 = a * b
 +    var s4 = a == b
 +    println (s1)
 +    println (s2)
 +    println (s3)
 +    println (s4)
 +}
 +</​code>​
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