Zakapps Software Interview Questions and Answers

Rain water tapping problem involves calculating the amount of water that can be trapped between given bars.

• Calculate the maximum height of bars on left and right of each bar.

• Calculate the amount of water that can be trapped between two bars using the minimum of the two maximum heights.

• Add up the amount of water trapped between all bars to get the total amount of water trapped.

C++ program to reverse a string

• Use a loop to iterate through the string

• Swap the characters at the beginning and end of the string

• Continue swapping until the middle of the string is reached

Filter in MVC is used to retrieve a subset of data from a larger dataset based on certain criteria.

• Filters can be applied to data in the model or in the view.

• Filters can be used to sort, group, or limit the data returned.

• Filters can be implemented using LINQ or other query languages.

• Examples of filters include date range filters, category filters, and search filters.