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Consider the array A[]= {6,4,8,1,3} apply the insertion sort to sort the array . Consider the cost associated with each sort is 25 rupees , what is the total cost of the insertion sort when element 1 reaches the first position of the array?
- a)50
- b)25
- c)75
- d)100
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Consider the array A[]= {6,4,8,1,3} apply the insertion sort to sort t...
When the element 1 reaches the first position of the array two comparisons are only required hence 25 * 2= 50 rupees.
*step 1: 4 6 8 1 3 .
*step 2: 1 4 6 8 3.
Most Upvoted Answer
Consider the array A[]= {6,4,8,1,3} apply the insertion sort to sort t...
Solution:
Insertion Sort:
Insertion sort is a simple sorting algorithm that works the way we sort playing cards in our hands. We pick up the cards in order and place them in the correct position.
Steps to perform Insertion Sort:
1. Iterate from the second element of the array to n, where n is the size of the array.
2. Compare the current element with the elements before it, and keep on swapping the elements until the current element is in the correct position.
3. Repeat the above steps for all the elements in the array.
Given Array: A[]= {6,4,8,1,3}
After applying insertion sort, the array becomes:
A[]= {1,3,4,6,8}
Total Cost:
We have to calculate the total cost of the insertion sort when element 1 reaches the first position of the array. It means that we need to calculate the cost of sorting the elements until the element 1 reaches the first position.
The steps to perform the insertion sort are:
1. 6 and 4 are compared and swapped. Array becomes {4,6,8,1,3}. Cost = 25.
2. 6 and 8 are compared, no swap required. Array remains {4,6,8,1,3}. Cost = 0.
3. 8 and 1 are compared and swapped. Array becomes {4,6,1,8,3}. Cost = 25.
4. 6 and 1 are compared and swapped. Array becomes {4,1,6,8,3}. Cost = 25.
5. 4 and 1 are compared and swapped. Array becomes {1,4,6,8,3}. Cost = 25.
6. 8 and 3 are compared and swapped. Array becomes {1,4,6,3,8}. Cost = 25.
7. 6 and 3 are compared and swapped. Array becomes {1,4,3,6,8}. Cost = 25.
8. 4 and 3 are compared and swapped. Array becomes {1,3,4,6,8}. Cost = 25.
So, the total cost of the insertion sort when element 1 reaches the first position of the array is 25+0+25+25+25+25+25+25 = 175.
Answer:
The correct answer is option A) 50. However, this answer is incorrect as the calculation of the cost of sorting is done incorrectly. The correct total cost of the insertion sort is 175.
Insertion Sort:
Insertion sort is a simple sorting algorithm that works the way we sort playing cards in our hands. We pick up the cards in order and place them in the correct position.
Steps to perform Insertion Sort:
1. Iterate from the second element of the array to n, where n is the size of the array.
2. Compare the current element with the elements before it, and keep on swapping the elements until the current element is in the correct position.
3. Repeat the above steps for all the elements in the array.
Given Array: A[]= {6,4,8,1,3}
After applying insertion sort, the array becomes:
A[]= {1,3,4,6,8}
Total Cost:
We have to calculate the total cost of the insertion sort when element 1 reaches the first position of the array. It means that we need to calculate the cost of sorting the elements until the element 1 reaches the first position.
The steps to perform the insertion sort are:
1. 6 and 4 are compared and swapped. Array becomes {4,6,8,1,3}. Cost = 25.
2. 6 and 8 are compared, no swap required. Array remains {4,6,8,1,3}. Cost = 0.
3. 8 and 1 are compared and swapped. Array becomes {4,6,1,8,3}. Cost = 25.
4. 6 and 1 are compared and swapped. Array becomes {4,1,6,8,3}. Cost = 25.
5. 4 and 1 are compared and swapped. Array becomes {1,4,6,8,3}. Cost = 25.
6. 8 and 3 are compared and swapped. Array becomes {1,4,6,3,8}. Cost = 25.
7. 6 and 3 are compared and swapped. Array becomes {1,4,3,6,8}. Cost = 25.
8. 4 and 3 are compared and swapped. Array becomes {1,3,4,6,8}. Cost = 25.
So, the total cost of the insertion sort when element 1 reaches the first position of the array is 25+0+25+25+25+25+25+25 = 175.
Answer:
The correct answer is option A) 50. However, this answer is incorrect as the calculation of the cost of sorting is done incorrectly. The correct total cost of the insertion sort is 175.
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Community Answer
Consider the array A[]= {6,4,8,1,3} apply the insertion sort to sort t...
In insertion sort numbers are compared and arranged firstly when 6 and 8 are compared first time sorting process happens so initial cost is 25 then 6 and 8 are compared they are already in order then again sorting happens to move 1 to the first place so the total cost is 50
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