Match the algorithms described in pseudocode on the left with the description of what it does on the right.
1. Procedure A(a1, a2, ..., a(n): integers)
x=a1
for i = 2 to n
if x < a(i) then x = a(i)
return x
2. Procedure B(a1, a2, ..., a(n): integers)
x=a1
for i = 2 to n
if x > a(i) then x = a(i)
return x
3. Procedure C(a1, a2, ..., a(n): integers)
x=a1
for i = 2 to n
x = x + a(i)
return x
4. Procedure D(a1, a2,... , a(n): integers)
x=a1
for i = 2 to n
if x = x + ai
return x/n

Question

lesley.ledner · Accepted Answer

Procedure A: Finds and returns the maximum value among a list of integers. Procedure B: Finds and returns the minimum value among a list of integers. Procedure C: Calculates the sum of all integers in a list and returns the result. Procedure D: Calculates the average value of a list of integers and returns the result.

Procedure A compares each element of the list with the current maximum value (initialized as the first element) and updates the maximum value if a larger element is found. It returns the maximum value.

Procedure B is similar to Procedure A but finds the minimum value among the list of integers. It compares each element with the current minimum value and updates the minimum value if a smaller element is found. It returns the minimum value.

Procedure C calculates the sum of all integers in the list by iterating through the elements and adding each one to the current sum. It returns the final sum.

Procedure D calculates the average value of the list by summing up all the elements and dividing the sum by the total number of elements (n). It returns the average value (sum divided by n).

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