Merge pull request #1578 from itsIapetus/WOC-Contributions

Kotlin Algorithms

Kotlin/Maths/Areas2D.kt

@@ -0,0 +1,51 @@
+package kotlin.math
+
+// Area of a Square
+
+fun square(a: Double): Double {
+    return a * a
+}
+
+// Area of a Reactangle
+
+fun rectangle(l: Double, b: Double): Double{
+    return l * b
+}
+
+// Area of a Circle
+
+fun circle(r: Double): Double{
+    return PI * r * r
+}
+
+// Area of a Triangle
+
+fun triangle(b: Double, h: Double): Double{
+    return b * h/2.0
+}
+
+// Area of a Parallelogram
+
+fun parallelogram(b: Double, h: Double): Double{
+    return b * h
+}
+
+// Area of a Trapezium
+
+fun trapezium(a: Double, b:Double, h:Double): Double{
+    return (a+b)*h/2.0
+}
+
+
+fun main() {
+    println(square(2.0))
+    println(rectangle(2.0, 4.6))
+    println(circle(5.0))
+    println(triangle(2.0,3.0))
+    println(parallelogram(4.5,2.3))
+    println(trapezium(1.5,4.5,6.0))
+}
+
+
+// Time Complexity - O(n)
+// Space Complexity - O(n)

Kotlin/Maths/Areas3D.kt

@@ -0,0 +1,50 @@
+package kotlin.math
+
+// Area of a Cube
+
+fun cube(a: Double): Double {
+    return 6 * a * a
+}
+
+// Area of a Cuboid
+
+fun cuboid(l: Double, b: Double, h: Double): Double{
+    return 2 * ((l*b) + (b*h) + (h*l))
+}
+
+// Area of a Cone
+
+fun cone(r: Double, l: Double): Double{
+    return (PI * r * r) + (PI * r * l)
+}
+
+// Area of a Cylinder
+
+fun cylinder(r: Double, h: Double): Double{
+    return (2.0 * (PI * r * r)) + (r * h)
+}
+
+// Area of a Sphere
+
+fun sphere(r: Double): Double{
+    return 4.0 * PI * r * r
+}
+// Area of a Hemi Sphere
+
+fun hemisphere(r: Double): Double{
+    return (2.0 * PI * r * r) + (PI * r * r)
+}
+
+
+fun main() {
+    println(cube(2.0))
+    println(cuboid(2.0, 4.6, 3.5))
+    println(cone(5.0, 4.0))
+    println(cylinder(2.0,4.0))
+    println(sphere(4.5))
+    println(hemisphere(2.5))
+}
+
+
+// Time Complexity - O(n)
+// Space Complexity - O(n)

Kotlin/Readme.md

@@ -11,4 +11,9 @@
 
 ## Sorting Algorithms
 
-[Bubble Sort](sort/BubbleSort/src/BubbleSort.kt)
+- [Bubble Sort](sort/BubbleSort/src/BubbleSort.kt)
+
+## Maths
+
+- [Areas 2D](Maths/Areas2D.kt)
+- [Areas 3D](Maths/Areas3D.kt)