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# Exercise Title Features Description Platform Keywords
1 Mid-square Method Calculator Calculation Exercise Calculator for computing value of the middle digits of a squared number. OpenDSA Hash Function
2 String Folding Method activity Calculation, User Supplied Data Calculator for computing value of hashing a string by 'folding'. A better method than character value summing. OpenDSA Hash Function
3 Simple String Hash Calculator Calculation, User Supplied Data Calculator for computing value of hashing a string by simple summation of its characters' ASCII values. OpenDSA Hash Function
4 Hash Functions Exercises Calculation Exercise User must give the result of a specified hash function on a specified input. Where appropriate, user is expected to... OpenDSA Hash Function
5 Hash Functions Summary Practice Questions Question, Battery A collection of self-practice questions on hash functions. OpenDSA Hash Function
6 The mod Hash Function Algorithm Visualization Slideshow showing the basic mod function as a hash function. OpenDSA Hash Function
7 The Binning Hash Function Algorithm Visualization Slideshow showing basic binning (using high-order digits) as a hash function. OpenDSA Hash Function
8 Alternate Form Bucket Hashing Proficiency Exercise Tracing Exercise User must give the result from a series of inserts using bucket hashing. This version uses a variation on bucket... OpenDSA Bucket Hashing
9 Repeating Characters of a String Construct a program that has a function that receives a string and creates a new string that has each character... PCEX functions, strings
10 Counting the Occurrences of One String in Another Construct a program that has a function that receives a string and returns the number of times that the string... PCEX functions, strings
11 Repeating Characters of a String Construct a program that has a function that receives a string and creates a new string that has every other... PCEX functions, strings
12 Counting the Occurrences of One String in Another Construct a program that has a function that receives a string and returns the number of times that the string... PCEX for loop, functions, strings
13 Rotating the List Values to the Right by Two Position Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX arrays
14 Creating an array that Contains the Numbers of Times Each Element of One Array Appears in Another Array Construct a program that has a function that receives two arrays and creates an array that contains the number of... PCEX arrays
15 Creating a Dictionary of Character-Count/Words Pairs Construct a program that has a function which receives a string from the user and creates a dictionary that maps... PCEX classes, data structures, dictionaries, dictionary, stacks
16 Concatenating Characters of Two Strings Construct a program that has a function that receives two strings and returns a string formed from the given strings... PCEX strings
17 Calculating Sum/Average of the List Values Construct a program that has a function that receives a list and calculates the sum of the values in that... PCEX list
18 Rotating the List Values Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX algorithm analysis, classes, data structures, list, stacks
19 Searching Values of a List in Another List Construct a program that has a function that receives two lists and prints the values in the 2nd list that... PCEX classes, data structures, list, search algorithms, stacks
20 Rotating the List Values to the Right by Two Position Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX arrays
21 Searching Arrays (Case 3) Construct a program that has a function that receives two arrays and creates an array that contains the number of... PCEX arrays
22 Creating a Dictionary of Character-Count/Words Pairs Construct a program that has a function which receives a string and creates a dictionary that maps each character to... PCEX dictionaries, dictionary
23 Concatenating Characters of Two Strings Construct a program that has a function that receives two strings and returns a string formed from the given strings... PCEX strings
24 Calculating Sum/Average of the List Values Construct a program that has a function that receives a list and calculates the average of the values in that... PCEX list
25 Rotating the List Values (Case 2) Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX list
26 Rotating the List Values (Case 3) Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX list
27 Rotating the List Values (Case 4) Construct a program that has a function that receives a list of values and returns the list rotated to the... PCEX list
28 Searching Values of a List in Another List (Case 3) Construct a program that has a function that receives two lists and creates a list that contains the number of... PCEX list, search algorithms
29 Searching Values of a List in Another List (Case 2) Construct a program that has a function that receives two lists and prints the total number of times the elements... PCEX list, search algorithms
30 Practicing quick sort algorithm Construct a function that implements quick sort algorithm. The partition() function has been pre defined and displayed below.
Consider data is... 		jsParsons recursion, search algorithms, sorting, sorting algorithms
31 Creating a Dictionary of Student-Scores Pairs Assume we have a list of students and a list of their corresponding test scores. Construct a program that has... PCEX dictionaries, dictionary
32 Creating a Dictionary of Student-Scores Pairs Assume we have a list of students and a list of their corresponding test scores. Construct a program that has... PCEX dictionaries, dictionary
33 Construct an inorder traversal function Construct an inorder traversal function that recursively traverse a tree from left node, root node and right node. We store... jsParsons trees
34 Construct a preorder traversal function Construct a preorder traversal function that recursively traverse a tree from root node, left node and right node. We store... jsParsons trees