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# How do you find the minimum of an array using recursion?

## How do you find the minimum of an array using recursion?

For finding Minimum Take array Arr[] as input. Function recforMin(int arr[], int len) takes input array and its length and returns minimum in the array using recursion. If the current index len is 1 then set minimum=arr[0] and return minimum. Else set minimum = minimum of arr[len] or recforMin(arr,len-1) and return it.

### What is the complexity of finding maximum and minimum value from an array of N values?

Time Complexity is O(n) and Space Complexity is O(1). For each pair, there are a total of three comparisons, first among the elements of the pair and the other two with min and max.

#### How do you find the minimum and maximum value?

Finding max/min: There are two ways to find the absolute maximum/minimum value for f(x) = ax2 + bx + c: Put the quadratic in standard form f(x) = a(x − h)2 + k, and the absolute maximum/minimum value is k and it occurs at x = h. If a > 0, then the parabola opens up, and it is a minimum functional value of f.

What recursion means?

Recursion means “defining a problem in terms of itself”. This can be a very powerful tool in writing algorithms. Recursion comes directly from Mathematics, where there are many examples of expressions written in terms of themselves. For example, the Fibonacci sequence is defined as: F(i) = F(i-1) + F(i-2)

How do you explain recursion?

Recursion means “solving the problem via the solution of the smaller version of the same problem” or “defining a problem in terms of itself”. It is a widely used idea in programming to solve complex problems by breaking them down into simpler ones.

## How to find the minimum element of an array using recursion?

Given an array of integers, we need to find the minimum element of that array using recursion. Examples : Input : A = {1, 4, 3, -5, -4, 8, 6}; Output : -5 Input : A = {1, 4, 45, 6, 10, -8} Output : -8. Program to find largest element in an array. Recursive Minimum. If there is single element, return it.

### How do you find the minimum and maximum of an array?

We can use min_element () and max_element () to find minimum and maximum of array. // in an array. # in an array. // (or maximum) element in an array. // element in an array. echo “Minimum element of array: ” . echo “Maximum element of array: ” . // in an array.

#### How do you return an array from a recursive call?

Return statement: At each recursive call (except for the base case), return the maximum of the last element of the current array (i.e. arr [n-1]) and the element returned from the previous recursive call. If there is single element, return it. Else return maximum of following.

How do you use the result of a recursive findmincall?

You don’t use the result of the recursive findMincall. startIndexwill be the same for every call to findMin, because currentIndexis being set to the value of startIndexbeforestartIndexis incremented. If the number at index 1 in the array is <= the number at index 0, you just return that number without even making the recursive call.