The program must accept N integers as the input. The program must sort the N integers using selection sort and print all the iterations of the selection sorting process as the output.Boundary Condition(s):2 <= N <= 1001 <= Each integer value <= 1000Input Format:The first line contains N.The second line contains N integers separated by a space.Output Format:The lines containing all the stages of the selection sort.
Question
The program must accept N integers as the input. The program must sort the N integers using selection sort and print all the iterations of the selection sorting process as the output.Boundary Condition(s):2 <= N <= 1001 <= Each integer value <= 1000Input Format:The first line contains N.The second line contains N integers separated by a space.Output Format:The lines containing all the stages of the selection sort.
Solution
Sure, here is a Python solution for the problem:
def selection_sort(nums):
# This value of i corresponds to how many values were sorted
for i in range(len(nums)):
# We assume that the first item of the unsorted segment is the smallest
lowest_value_index = i
# This loop iterates over the unsorted items
for j in range(i + 1, len(nums)):
if nums[j] < nums[lowest_value_index]:
lowest_value_index = j
# Swap values of the lowest unsorted element with the first unsorted
# element
nums[i], nums[lowest_value_index] = nums[lowest_value_index], nums[i]
print(nums)
# Request user input
N = int(input("Enter the number of integers: "))
nums = list(map(int, input("Enter the integers: ").split()))
selection_sort(nums)
This program works by dividing the list into sorted and unsorted regions. The sorted region starts at index 0 and the algorithm repeatedly selects the smallest unsorted element and swaps it with the first unsorted element, thus extending the sorted region by one. It prints the list after each swap.
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