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# Exercise Title Features Description Platform Keywords
1 Selecting One Attribute Selecting One Attribute AnnEx select
2 Selecting One Attribute pt This is the portuguese version. AnnEx select
3 Multiple Comparisons (2) pt This is the portuguese version. AnnEx select
4 Range Test (1) Range Test (1) AnnEx select
5 Range Test (1) pt This is the portuguese version. AnnEx select
6 Range Test (2) Range Test (2) AnnEx select
7 Range Test (2) pt This is the portuguese version. AnnEx select
8 Selecting Multiple Attributes Selecting Multiple Attributes AnnEx select
9 Selecting Multiple Attributes pt This is the portuguese version. AnnEx select
10 Selecting All Attributes Selecting All Attributes AnnEx select
11 Selecting All Attributes pt This is the portuguese version. AnnEx select
12 Skipping Duplicates Skipping Duplicates AnnEx select
13 Skipping Duplicates pt This is the portuguese version. AnnEx select
14 Selection Condition Selection Condition AnnEx select
15 Selection Condition pt This is the portuguese version. AnnEx select
16 Comparison Condition (1) Comparison Condition (1) AnnEx select
17 Comparison Condition (1) pt This is the portuguese version. AnnEx select
18 Comparison Condition (2) pt This is the portuguese version. AnnEx select
19 Comparison Condition (3) Comparison Condition (3) AnnEx select
20 Comparison Condition (3) pt This is the portuguese version. AnnEx select
21 Multiple Comparisons (1) Multiple Comparisons (1) AnnEx select
22 Multiple Comparisons (1) pt This is the portuguese version. AnnEx select
23 Selection Sort Visualization Algorithm Visualization, Code Tracing Presentation, User Supplied Data Algorithm Visualization for Selection Sort. Includes code visualization. User can select data for the visualization. OpenDSA Selection Sort
24 Selection Sort Sort Proficiency Exercise Tracing Exercise Selection Sort interactive proficiency exercise. Users click on values in an array to move them around as Selection Sort would. OpenDSA Selection Sort
25 Selection Sort: Review Questions Question, Battery Selection Sort battery of self-assessment questions. OpenDSA Selection Sort
26 Selection Sort Analysis Slideshow Algorithm Analysis Presentation Slideshow showing an analysis of Selection Sort's cost analysis. OpenDSA Selection Sort, Worst Case, Average Case, Best Case
27 Selection Sort First Pass Slideshow Algorithm Visualization Slideshow showing a simple visualization of the first pass for Selection Sort. OpenDSA Selection Sort
28 Selection Sort Second Pass Slideshow Algorithm Visualization Slideshow showing a simple visualization of the second pass for Selection Sort. OpenDSA Selection Sort
29 Replacement Selection Proficiency Exercise Tracing Exercise Interactive algorithm proficiency exercise for the replacement selection algorithm. User clicks on heap nodes to reproduce the behavior of replacement... OpenDSA File Processing, External Sorting, Replacement Selection
30 External Replacement Selection Slideshow Algorithm Visualization Slideshow illustrating the replacement selection algorithm, used for external sorting. OpenDSA File Processing, External Sorting, Replacement Selection
31 Multiple Comparisons (2) Multiple Comparisons (2) AnnEx joins, select
32 Comparison Condition (2) Comparison Condition (2) AnnEx arithmetic expressions, select
33 Select-from query execution 1 Select-from query execution 1 DBQA
34 Select-from query execution 2 Select-from query execution 2 DBQA
35 Select-from query execution 3 Select-from query execution 3 DBQA
36 Select-from query execution 4 Select-from query execution 4 DBQA
37 Select-from-where query execution 1 Select-from-where query execution 1 DBQA
38 Select-from-where query execution 2 Select-from-where query execution 2 DBQA
39 Select-from-where query execution 3 Select-from-where query execution 3 DBQA
40 Select-from-where query execution 4 Select-from-where query execution 4 DBQA
41 SELECT-FROM question1 SELECT-FROM question1 SQL-KnoT
42 SELECT-FROM-WHERE question3 SELECT-FROM-WHERE question3 SQL-KnoT
43 SELECT-DISTINCT question6 SELECT-DISTINCT question6 SQL-KnoT
44 SELECT-DISTINCT question6 Sql FreeCodingProblems for demonstrating SELECT-DISTINCT question6 SQL-KnoT
45 SELECT-FROM-WHERE question7 SELECT-FROM-WHERE question7 SQL-KnoT
46 SELECT-FROM-WHERE question7 Sql FreeCodingProblems for demonstrating SELECT-FROM-WHERE question7 SQL-KnoT
47 SELECT-FROM-WHERE question8 SELECT-FROM-WHERE question8 SQL-KnoT
48 SELECT-FROM-WHERE question8 Sql FreeCodingProblems for demonstrating SELECT-FROM-WHERE question8 SQL-KnoT
49 SELECT-FROM-WHERE question9 SELECT-FROM-WHERE question9 SQL-KnoT
50 SELECT-FROM-WHERE question9 Sql FreeCodingProblems for demonstrating SELECT-FROM-WHERE question9 SQL-KnoT
51 Select a short word Code Completion You want to pick a particular “short” word in an array of words, that is, words with at most three... CodeCheck Arrays and Array Lists
52 Selection sort C CodeConstruction&CompletionBundle for demonstrating Selection sort PCEX
53 Selection Sort Python CodeVisualization for demonstrating Selection Sort JSVEE recursion, search, search algorithms, sorting, sorting algorithms
54 Selection Sort2 Python CodeVisualization for demonstrating Selection Sort2 JSVEE sorting algorithms
55 Selection sort Ascending-order Selection sort operates by finding the minimum element of an array and moving it to the “beginning” of the... PCEX recursion, search algorithms, sorting, sorting algorithms
56 Selection sort Challenge Descending-order Selection sort operates by finding the maximum element of an array and moving it to the “beginning” of the... PCEX
57 Selection sort modification placing only min and max Code Completion Your task is to modify the selection sort algorithm so that you find the largest element and swap it to... CodeCheck Sorting and Searching
58 Selection sort modification, placing the largest element first Code Completion Your task is to modify the selection sort algorithm so that you find the largest element and swap it to... CodeCheck Sorting and Searching
59 Selection sort modification placing even before odd Code Completion Implement a modification of the SelectionSorter class that reorders the array to have even elements followed by odd ones. Follow... CodeCheck Sorting and Searching
60 PANDAS Select 1 You're provided a dataframe of used cars using pandas. Select the columns with their type, mileage and name jsParsons json, pandas
61 PANDAS Select 2 You're provided a dataframe of used cars using pandas. Select the columns with their type, mileage and name. filter those... jsParsons pandas
62 PANDAS Select 1 From a class of 200 students, first select only student ids and their letter grades. Then, select students in 'Section... PCEX json, pandas
63 PANDAS Select 1 Challenge From a class of 200 students, first select only student ids and their letter grades. Then, select students with grades... PCEX
64 c_selection_sort Napisati program koji traži unos niza od 10 realnih brojeva sa tastature. Niz je zatim potrebno sortirati u rastućem redoslijedu... PCEX
65 Modified SelectionSort Code Completion Your task is to modify the selection sort algorithm so that you find the largest element and swap it to... CodeCheck Sorting and Searching
66 Multiple Table Selection (1) Multiple Table Selection (1) AnnEx joins
67 Multiple Table Selection (1) pt This is the portuguese version. AnnEx joins
68 Multiple Table Selection (2) Multiple Table Selection (2) AnnEx joins
69 Multiple Table Selection (2) pt This is the portuguese version. AnnEx joins
70 Pandas Data Selection 1 Python PredictingFinalResult for demonstrating Pandas Data Selection 1 QuizPET pandas
71 Count visits in selection sort Code Completion In section 14.5, we approximated a count of the array visits in merge sort. Your task is to provide an... CodeCheck Sorting and Searching
72 Count visits in selection sort Code Completion In section 14.3, we approximated a count of the array visits in selection sort. Your task is to provide an... CodeCheck Sorting and Searching
73 Language from CFG Exercise Question Users select a language description for a given CFG. OpenDSA Context-Free Grammar
74 Extended BNF Exercise Question A question where users select extended BNF statements matching a normal set of BNF statements. OpenDSA Context-Free Grammar
75 Pointer Swap Optimization Slideshow Presentation Slideshow showing that Selection Sort can be sped up for large records with swapping to records. OpenDSA
76 Sort Comparison Summary Exercise Question, Battery Battery of self-assessment questions where user selects which sort is the best to use in a particular situation. OpenDSA Radix Sort
77 Language from CFG Exercise: Alternate Question, Battery A collection of self-practice questions where users select a language description for a given CFG. Alternate version. OpenDSA Context-Free Grammar
78 Extended BNF Exercise: Alternate Question, Battery A collection of self-practice questions where users select extended BNF statements matching a normal set of BNF statements. Alternate version. OpenDSA Context-Free Grammar
79 Add transfer to ATM Code Completion Add the capability of transferring money from the currently selected account to the other account from the same account holder... CodeCheck Object-Oriented Design
80 Mergesort Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for Mergesort. User can select data for the visualization. OpenDSA Mergesort
81 Quicksort Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for Quicksort. User can select data for the visualization. OpenDSA Quicksort
82 Shellsort Visualization Algorithm Visualization, Code Tracing Presentation, User Supplied Data Algorithm Visualization for Shellsort. User can select data for the visualization. OpenDSA Shellsort
83 Buffer Pool Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for buffer pools. User can selectreplacement heuristic, pool size, and input data for the visualization. OpenDSA Buffer Pool
84 PANDAS Stats 2 You're provided a dataframe of used cars using pandas. Select the 'type' and 'mileage' columns and use describe() to display... jsParsons pandas, statistics
85 Buddy Method Memory Manager Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for the buddy method memory manager. User can select data for the visualization. OpenDSA Buddy Method Memory Manager
86 First Fit Memory Manager Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for various sequential memory manager schemes. User can select data for the visualization. Multiple versions are available: First... OpenDSA Sequential Fit Memory Manager
87 Vending Machine With Dollars and Quarters Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX
88 Vending Machine With Quarters-Dimes- and Nickels Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX
89 Vending Machine With Dollars and Quarters Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX operators, primitive data types, variables
90 Vending Machine With Quarters-Dimes- and Nickels Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX operators, primitive data types, variables
91 Vending Machine With Dollars and Quarters Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX
92 Vending Machine With Quarters-Dimes- and Nickels Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX
93 Shellsort Performance Proficiency Exercise Calculation Exercise Interactive proficiency exercise for Shellsort that focuses on the best performing diminishing increments. User selects an increment series and is... OpenDSA Shellsort
94 Vending Machine Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX arithmetic operators, constants, operators, primitive data types, variables
95 Vending Machine Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX operators, variables
96 Vending Machine With Quarters, Dimes, and Nickels Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX arithmetic operators, constants, operators, primitive data types, variables
97 Vending Machine Suppose we have a vending machine that gives change. A customer selects an item for purchase and inserts a bill... PCEX operators, variables
98 Bubble Sort Visualization Algorithm Visualization, Code Tracing Presentation, User Supplied Data Algorithm Visualization for Bubble Sort. Includes code visualization. User can select data for the visualization. OpenDSA Bubble Sort
99 Insertion Sort Visualization Algorithm Visualization, User Supplied Data Algorithm Visualization for Insertion Sort. Includes code visualization. User can select data for the visualization. OpenDSA Insertion Sort
100 Radix Sort Visualization: Array Implementation Algorithm Visualization, User Supplied Data Algorithm Visualization for Radix Sort, implemented using arrays. User can select data for the visualization. OpenDSA Radix Sort
101 Radix Sort Visualization: Linked List Implementation Algorithm Visualization, User Supplied Data Algorithm Visualization for Radix Sort, implemented using linked lists. User can select data for the visualization. OpenDSA Radix Sort
102 c_strukture_i_nizovi_challenge Napisati program u programskom jeziku C koji radi sa strukturom `Proizvod` koja sadrži naziv proizvoda i njegovu cijenu. U programu... PCEX
103 Radix Sort Profiency Exercise Tracing Exercise Proficiency exercise for a pass of the Radix Sort algorithm. User must indicate how values in one array are moved... OpenDSA Quicksort
104 c_strukture_i_nizovi Napisati program u programskom jeziku C koji omogućava rad sa studentima koristeći strukture i nizove. Potrebno je definisati strukturu Student... PCEX
105 c_strukture_i_nizovi_pokazivaci Napisati program koji omogućava rad sa studentima koristeći strukture i nizove. Potrebno je definisati strukturu Student koja sadrži ime i... PCEX
106 Maquina Expendedora Con Dolares y Monedas de Veinticinco Supongamos que tenemos una máquina expendedora que da cambio. Un cliente selecciona un artículo para comprar e inserta un billete... PCEX operators, variables
107 Maquina Expendedora Con Monedas de diferentes centavos Supongamos que tenemos una máquina expendedora que da cambio. Un cliente selecciona un artículo para comprar e inserta un billete... PCEX operators, variables