Quiz: Dynamic Programming

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1

Which is the correct algorithm for the Money Change Problem?

A)

def change(money):
  table = [float('inf')] * (money + 1) 
  table[0] = 0

  for m in range(1, money + 1): 
    for coin in (1, 3, 4):
      if coin <= m:
        table[m] = min(table[m], table[m - coin])
  return table[money]

B)

def change(money):
  table = [float('inf')] * (money + 1) 
  table[0] = 0

  for m in range(1, money + 1): 
    for coin in (1, 3, 4):
      if coin <= m:
        table[m] = min(table[m], table[m - coin] + 1)
  return table[money]

C)

def change(money):
  table = [float('inf')] * (money + 1) 
  table[0] = 0

  for m in range(1, money + 1): 
    for coin in (1, 3, 4):
      if coin <= m:
        table[m] = max(table[m], table[m - coin] + 1)
  return table[money]

D)

def change(money):
  table = [float('inf')] * (money + 1) 
  table[0] = 0

  for m in range(1, money + 1): 
    for coin in (1, 3, 4):
      if coin <= m:
        table[m] = min(table[m], table[coin] + 1)
  return table[money]

Question 1 of 60 attempted

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