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completed difference of squares #16

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completed difference of squares #16

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19 changes: 16 additions & 3 deletions src/main/scala/DifferenceOfSquares.scala
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Original file line number Diff line number Diff line change
@@ -1,8 +1,21 @@
object DifferenceOfSquares{

def sumOfSquares(n: Int): Int = ???
def sumOfSquares(n: Int): Int ={
var answer = 0
for (number <- (1 to n)){
answer = answer + (number * number)
}
answer
}

def squareOfSum(n: Int): Int = ???
def squareOfSum(n: Int): Int ={
var answer = 0
for (number <- (1 to n)) {
answer = answer + number
}
answer * answer
}

def differenceOfSquares(n: Int):Int = ???
def differenceOfSquares(n: Int):Int ={
squareOfSum(n) - sumOfSquares(n)
}