6kyu

6kyu

• Find Int That Appears Odd Number of Times
  • Approach 1 (search and count)
  • Approach 2 Bitwise XOR
  • TypeScript
    • Unit Tests
    • Solution 1 (single function, approach 1)
    • Solution 2 (helper functions, approach 1)
    • Solution 3 (bitwise XOR)
  • Scheme
    • The Test Suit
    • v1 single function
    • v2 smaller, composable functions
      • Unit Tests for the Helper Functions
      • Implementation using the composed functions
    • v3 car cdr
      • Unit Tests for the Helper Functions
      • Implementation using car, cdr and null?
• Which Are In
  • Approach 1
  • JavaScript
    • The Test Suite
    • Solution 1
  • TypeScript
    • The Test Suite
    • Solution 1
  • Scheme
    • The Test Suite
    • Solution 1
• Friend or Foe
  • Approach 1
  • JavaScript
    • Unit Tests
    • Solution 1
  • TypeScript
    • Unit Tests
    • Solution 1
  • Scheme
    • Unit Tests