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New
Scaler
Explore Offerings by SCALER # Connect Ropes

Problem Description

Given an array of integers A representing the length of ropes.

You need to connect these ropes into one rope. The cost of connecting two ropes is equal to the sum of their lengths.

Find and return the minimum cost to connect these ropes into one rope.

Problem Constraints

1 <= length of the array <= 100000
1 <= A[i] <= 1000

Input Format

The only argument given is the integer array A.

Output Format

Return an integer denoting the minimum cost to connect these ropes into one rope.

Example Input

Input 1:

` A = [1, 2, 3, 4, 5]`

Input 2:

` A = [5, 17, 100, 11]`

Example Output

Output 1:

` 33`

Output 2:

` 182`

Example Explanation

Explanation 1:

``` Given array A = [1, 2, 3, 4, 5].
Connect the ropes in the following manner:
1 + 2 = 3
3 + 3 = 6
4 + 5 = 9
6 + 9 = 15

So, total cost  to connect the ropes into one is 3 + 6 + 9 + 15 = 33.```

Explanation 2:

``` Given array A = [5, 17, 100, 11].
Connect the ropes in the following manner:
5 + 11 = 16
16 + 17 = 33
33 + 100 = 133

So, total cost  to connect the ropes into one is 16 + 33 + 133 = 182.```

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details. Hints
• Hint 1
• Solution Approach
• Complete Solution

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