Rearrange Positive and Negative Numbers in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:54:58

404 Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all the elements of an array are sorted using the inbuilt sort function of C++ STL as well as using recursive technique of coding and printing the result.Let us see various input output scenarios for this −Input − int arr[] = {4, 2, -1, -1, 6, -3, 0}Output − Rearrangement of positive and negative numbers with constant extra space is: -3 -1 -1 0 6 2 4.Explanation − we are given ... Read More

Rearrange Positive and Negative Numbers Using Inbuilt Sort Function in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:51:10

1K+ Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all the elements of an array are sorted using the inbuilt sort function of C++ STL as well as using recursive technique of coding and printing the result.Let us see various input output scenarios for this −Input − int arr[] = {4, 2, -1, -1, 6, -3, 0}Output − Rearrangement of positive and negative numbers using inbuilt sort function is: -3 -1 -1 0 2 4 6.Explanation − we are given ... Read More

Roll Up R Data Frame Columns for Summation by Group with Missing Values

Nizamuddin Siddiqui
Updated on 02-Nov-2021 06:50:37

520 Views

The summation of column values if missing values exist in the R data frame can be found with the help of summarise_each function of dplyr package where we can remove missing values by setting na.rm argument to TRUE.Since, we we will have groups in the data frame hence group_by function of the same package will help the summarise_each function to perform the summation by group. Check out the below Examples to understand how it works.Example 1Following snippet creates a sample data frame −Grp

Rearrange Positive and Negative Numbers in O(N) Time and O(1) Extra Space in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:48:28

433 Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all positive and negative numbers should be at alternate positions and if there are extra positive or negative elements then they will be placed in the end of an array.Let us see various input output scenarios for this −Input − int arr[] = {4, 2, -1, -1, 6, -3}Output − Rearrangement of positive and negative numbers in O(n) time and O(1) extra space is: 2 - 1 6 -1 4 ... Read More

Rearrange Array Such That Even Positioned Are Greater Than Odd in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:43:15

368 Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all the elements at an even position or index should be greater than the elements at an odd position or index and print the result.Let us see various input output scenarios for this −Input − int arr[] = {2, 1, 4, 3, 6, 5, 8, 7}Output − Array before Arrangement: 2 1 4 3 6 5 8 7 Rearrangement of an array such that even positioned are greater than odd ... Read More

Rearrange Array for Even and Odd Index Elements in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:40:49

515 Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all the elements at an even position or index should be less than the elements at an odd position or index and print the result.Let us see various input output scenarios for this −Input − int arr[] = {2, 1, 4, 3, 6, 5, 8, 7}Output − Array before Arrangement: 2 1 4 3 6 5 8 7 Rearrangement of an array such that even index elements are smaller and ... Read More

Rearrange Array in Alternating Positive and Negative Items in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:38:07

746 Views

We are given an integer type array containing both positive and negative numbers, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that there will be a positive number that will be surrounded by negative numbers. If there are more positive and negative numbers, then they will be arranged at the end of an array.Let us see various input output scenarios for this −Input − int arr[] = {-1, -2, -3, 1, 2, 3}Output − Array before Arrangement: -1 -2 -3 1 2 3 Rearrangement of an array in alternating positive & negative ... Read More

Create Base R Plot Without Axes Keeping Frame

Nizamuddin Siddiqui
Updated on 02-Nov-2021 06:37:11

424 Views

To create a base R plot without axes but keeping the frame of the plot, we can set axes argument to FALSE and frame.plot argument to TRUE.For example, if we have a vector called V and we want to create a plot of V without axes but with the frame of the plot then, we can use the command given below −plot(V,axes=FALSE,frame.plot=TRUE)Check out the below example to understand how it works.ExampleConsider the following snippet −x

Rearrange Array to Minimize Sum of Product of Consecutive Pair Elements in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:34:37

486 Views

We are given a positive integer type array, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that when we multiply an element with its alternative element and then add all the resultant elements then it should return the minimum sum.Let us see various input output scenarios for this −Input − int arr[] = {2, 5, 1, 7, 5, 0, 1, 0}Output − Rearrangement of an array to minimize sum i.e. 7 of product of consecutive pair elements is: 7 0 5 0 5 1 2 1Explanation − we are given an integer array ... Read More

Rearrange Array for Odd Indexed Elements in C++

Sunidhi Bansal
Updated on 02-Nov-2021 06:31:03

245 Views

We are given a positive integer type array, let's say, arr[] of any given size. The task is to rearrange an array in such a manner that all the elements present at an odd index should value greater than the element presents at an even index and print the result.Let us see various input output scenarios for this −Input − int arr[] = {2, 1, 5, 4, 3, 7, 8}Output − Array before Arrangement: 2 1 5 4 3 7 8 Rearrangement of an array such that every odd indexed element is greater than it previous is: 1 4 2 5 3 ... Read More

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