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# Exercise Title Features Description Platform Keywords
1 File Processing 1 Python PredictingFinalResult for demonstrating File Processing 1 QuizPET file i/o
2 File processing 2 Python PredictingFinalResult for demonstrating File processing 2 QuizPET algorithm analysis, file i/o
3 File processing 3 Python PredictingFinalResult for demonstrating File processing 3 QuizPET algorithm analysis, file i/o
4 Java Output Review Questions Question, Battery CS1-level introduction to output in Java review questions. OpenDSA File Processing
5 Multiway Merge Proficiency Exercise Tracing Exercise Interactive algorithm proficiency exercise for multiway merge. User clicks on positions in the array to reproduce the behavior of multiway... OpenDSA File Processing, External Sorting, Multiway Merge
6 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
7 Java Input Review Questions Question, Battery CS1-level introduction to Java input review questions. OpenDSA File Processing, Scanner
8 Motivation for External Sorting Slideshow Algorithm Visualization Slideshow illustrating standard Mergesort does not make for an optimal external sorting algorithm. OpenDSA File Processing, External Sorting
9 Mergesort Modified for External Sorting Algorithm Visualization Slideshow illustrating simple modifications to Mergesort to make a better external sorting algorithm. OpenDSA File Processing, External Sorting, Mergesort
10 Multiway Merge Slideshow Algorithm Visualization Slideshow illustrating multiway merge in an external sorting algorithm. OpenDSA File Processing, External Sorting, Mergesort, Multiway Merge
11 External Replacement Selection Slideshow Algorithm Visualization Slideshow illustrating the replacement selection algorithm, used for external sorting. OpenDSA File Processing, External Sorting, Replacement Selection
12 Simple linear index Slideshow Algorithm Visualization Slideshow showing a simple linear index for variable length records stored on disk. OpenDSA Linear Indexing, File Processing
13 Reading from a text file Python BehaviorExample for demonstrating Reading from a text file WebEx file i/o
14 Writing to a text file Python BehaviorExample for demonstrating Writing to a text file WebEx file i/o
15 File Handling PCEX Set of activities for File Handling PCEX
16 ae_python_file Python CodeVisualization for demonstrating ae_python_file JSVEE file i/o
17 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
18 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
19 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
20 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
21 py_file_input_stat PCEX Set of activities for py_file_input_stat PCEX
22 Reporting File Information (Case 1) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
23 Reporting File Information (Case 2) Construct a program that receives the full path to an input file from the user, reads that file and reports... PCEX
24 py_file_input_stat_es PCEX Set of activities for py_file_input_stat_es PCEX
25 check_file C++ BehaviorExample for demonstrating check_file AnnEx
26 pass_file C++ BehaviorExample for demonstrating pass_file AnnEx
27 Printing file contents Construct a program that opens up a file and prints out each line of the file jsParsons exception handling, file i/o
28 Writing to file Write a program that will enter the first and last name of the student, as well as the average grade,... PCEX
29 create_seq_file C++ BehaviorExample for demonstrating create_seq_file AnnEx
30 pointer_seq_file C++ BehaviorExample for demonstrating pointer_seq_file AnnEx
31 rand_access_file C++ BehaviorExample for demonstrating rand_access_file AnnEx
32 read_seq_file C++ BehaviorExample for demonstrating read_seq_file AnnEx
33 write_info_rand_file C++ BehaviorExample for demonstrating write_info_rand_file AnnEx
34 Practising reading a file and printing the third element in each line of the file Construct a program that opens up a file and prints out the third element in each line of the file jsParsons exception handling, file i/o
35 Creating a List of Words from a File Construct a program that reads a text file and creates a list of the words that the file contains, ignoring... PCEX
36 Creating a List of Words from a File Construct a program that reads a text file and creates a list of the words that the file contains, ignoring... PCEX
37 q_py_file1_es Python PredictingFinalResult for demonstrating q_py_file1_es QuizPET file i/o
38 q_py_file2_es Python PredictingFinalResult for demonstrating q_py_file2_es QuizPET file i/o
39 q_py_file3_es Python PredictingFinalResult for demonstrating q_py_file3_es QuizPET file i/o
40 q_py_rw_file1_es Python PredictingFinalResult for demonstrating q_py_rw_file1_es QuizPET file i/o
41 q_py_rw_file2_es Python PredictingFinalResult for demonstrating q_py_rw_file2_es QuizPET file i/o
42 Practicar la lectura de archivos e imprimir el tercer elemento de cada línea Construye un programa que abra un archivo y muestre el tercer elemento de cada linea del archivo jsParsons file i/o
43 Practicar leer un archivo e imprimir su contenido Construye un programa que abra un archivo e imprima cada linea del archivo jsParsons file i/o
44 Class 2 (BankAccount) Java PredictingFinalResult for demonstrating Class 2 (BankAccount) QuizJET classes, exceptions, file i/o, methods, objects
45 Class (Cash Register) Java PredictingFinalResult for demonstrating Class (Cash Register) QuizJET classes, constructors, exceptions, file i/o, methods, objects, overloading
46 Class 5 (Point) Java PredictingFinalResult for demonstrating Class 5 (Point) QuizJET classes, exceptions, file i/o, methods, objects
47 Files 1 Python CodeVisualization for demonstrating Files 1 JSVEE algorithm analysis, file i/o
48 Files 2 Python CodeVisualization for demonstrating Files 2 JSVEE algorithm analysis, file i/o
49 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
50 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
51 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
52 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
53 Reporting the Total Hours Each Employee Worked (Case 1) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
54 Reporting the Total Hours Each Employee Worked (Case 2) Suppose we have an input file that contains information about how many hours each employee of a company has worked.... PCEX
55 Java Testing Review Questions Question, Battery CS1-level review questions on file I/O testing in Java. OpenDSA Testing
56 CopyFileTo A Java program that demonstrate copying a text file. PCEX
57 PrintFileContent Read and print the contents of a text file. PCEX
58 Bills statistics Write a program that combines the content of two files and saves it to a third file. The first file... PCEX
59 My books The book is described by identifier, title, authors, publisher, unit price and year of publication. There cannot be two books... PCEX
60 Files PCEX Set of activities for Files PCEX
61 files.j_input_stat PCEX Set of activities for files.j_input_stat PCEX
62 files.j_input_stat PCEX Set of activities for files.j_input_stat PCEX
63 files.j_work_hours PCEX Set of activities for files.j_work_hours PCEX
64 files.j_work_hours PCEX Set of activities for files.j_work_hours PCEX
65 check_file2 C++ BehaviorExample for demonstrating check_file2 AnnEx
66 arrays.j_array_fill PCEX Set of activities for arrays.j_array_fill PCEX
67 arrays.j_array_fill PCEX Set of activities for arrays.j_array_fill PCEX
68 py_list_fill PCEX Set of activities for py_list_fill PCEX
69 py_list_fill_llm PCEX Set of activities for py_list_fill_llm PCEX
70 pointer_seq_file2 C++ BehaviorExample for demonstrating pointer_seq_file2 AnnEx
71 Parameter Passing Comparison of Five Methods Tracing Exercise A collection of self-practice questions to compare parameter passing by five methods. OpenDSA Parameter Passing
72 Comparing the List of Words from Two Files Construct a program that reads two text files and creates a list of the words that each of these files... PCEX
73 Comparing the List of Words from Two Files Construct a program that reads two text files and creates a list of the words that each of these files... PCEX
74 Imprimir Tabla de Conteo de Medallas con Totales por Fila Supongamos que tenemos una matriz de 7x4 que almacena el número de medallas que siete países ganaron en las competencias... PCEX
75 Imprimir Tabla de Conteo de Medallas con Totales por Fila y por Columna Supongamos que tenemos una matriz de 7x4 que almacena el número de medallas que siete países ganaron en las competencias... PCEX
76 Given a two-dimensional array of integers, row/column positions r, c, and a value x, fill the given element and its neighbors in the compass directions N E S W NE NW SE SW with x. Code Completion Given a two-dimensional array of integers, row/column positions r, c, and a value x, fill the given element and its... CodeCheck Two-Dimensional Arrays, Looping over Neighbors
77 Updating an Element in the Array (Case 2) Construct a program that initializes an array with five floating-point numbers, changes the second element in the array, and finally,... PCEX
78 Updating an Element in the Array (Case 2) Construct a program that initializes an array with five floating-point numbers, changes the second element in the array, and finally,... PCEX
79 Updating an Element in the List (Case 2) Construct a program that initializes a list with five floating-point numbers, changes the second element in the list, and finally,... PCEX
80 Updating an Element in the List (Case 2). Construct a program that initializes a list with five floating-point numbers, changes the second element in the list, and finally,... PCEX
81 Imprimir un Patron de Estrellas en Forma de Triangulo Rectangulo Un patrón de estrellas en forma de triángulo rectángulo contiene N asteriscos en la N-ésima fila. Construya un programa que... PCEX
82 Imprimir un Patron de Estrellas en Forma de Triangulo Rectangulo Invertido Un patrón de estrellas en forma de triángulo rectángulo invertido de N filas contiene N-i+1 asteriscos en la i-ésima fila.... PCEX
83 Repeat where the row lengths don't have to match. Code Completion Repeat where the row lengths don't have to match. Fill the shorter array with zeroes. CodeCheck Two-Dimensional Arrays, Producing 2D Arrays
84 Greatest Common Factor Construct a program that recursively finds and returns the great common factor between of two integers. This is a simple... PCEX