ReadData():

1. this function reads the required data from the in. txt file and return the data that are stored inyour preferred data structure. Hints:this function might require dynamic memory allocation and return pointer after reading the data. Also, you mightneed to, passreferencesof one or more variables when you call the function so that the function can update those variables.

2. FilterData():this functiontakes the data you received from ReaData() function and returns the filtered points that are inside or on the line of the circle. Hints:similar to the ReadData function, you might require to dynamically allocate memory and pass reference to appropriate variables to keep track how many points are inside the circle.

3. Standard MergeSort(), Merge(), BinarySearch()functions. You can take help from the uploaded code, but you should type in the code for them and modify them to fit the requirement and to fit your data structure.

4. SearchPhase(): This function takes your sorted data that was modified by the merge sort. Then it continuously promptsthe user for search points and show the result or exit based on the provided criteria