Hash Table

• Hashing
• Multi-Threading
• Recursion
• Sorting
  • Bubble Sort
  • Heap Sort
  • Merge Sort
  • Divide-and-Conquer
  • Quick Sort
  • Tree Sort
• Trees
  • Binary Tree
  • DLB Tree
  • Huffman Tree
• Leap Year
  if year modulo 400 is 0, then leap
  else if year mod 100 = 0, then not leap
  else if year mod 4 = 0, then leap
  else not leap
• Day of the week
  (3 - floor100(year) (mod 4))2
  6 - 2(floor100(year) (mod 4)) = c
  (c + ye[ar] + floor(ye[ar] / 4))(mod 7)
  year / 12
  (c + ye[ar] + floor(ye[ar] / 4) + m + day) mod 7
  0 or 6, 3 or 2, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5
  function(year, month)
  returns day_of_week
• Loop Logic

  while(condition)
  {
      condition = false;
      if (49)
      {
          53
          71
      }
  
      if (51)
      {
          49
          38
          condition = true;
      }
  
      if (53)
      {
          61
          65
      }
  }
          

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