HW 22 Tasks for figuring out O[N] solutions

Function isSumTwo

• Takes two parameters: list of integer numbers (numbers) and one integer number (sum)
  
• Returns True (T should be capital) if the given list (numbers) contains two items, sum of which equals the given number (sum), otherwise returns False

Examples

• isSumTwo([1, 2, 3, 4], 4) -> True
  
• isSumTwo([1, 2, 3, 4], 2) -> False

Unit tests

Unit tests in a separate file (module)

Function maxNegativeRepr

• Takes one parameter: list of integer numbers (numbers)
  
• Returns either maximal positive number from the given list having its negative representation or -1 if no any
  

Examples

• maxNegativeRepr(100, 4, 1, -1, -4, -100) -> 100
  
• maxNegativeRepr(100, 4, 1, 1, 4, 100, -1) -> 1
  
• maxNegativeRepr(100, 4, 1, 1, 4, 100, 1, -2) -> -1

Unit tests

Unit tests in a separate file (module)