C How to Program (8th Edition)
8th Edition
ISBN: 9780133976892
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Chapter 21, Problem 21.14E
Program Plan Intro
- Use friend keyword to overload the input and output operators.
- Declare the variables and functions used as a private and public.
- Use ios base-member function clear to set the failbit for the improper input entered.
- Check the code by inserting the various members and perform the analysis and testing.
- Display the sample output.
Summary Introduction- This program rewrites the stream extraction operator to perform the various errors checking on input and correcting them the operator >> function will need to be implemented.
Program Description- The purpose of the program is to rewrite the stream extraction operator to perform the various errors checking on input and correcting them the operator >> function will need to be implemented.
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"""3.
Write a function validSolution/ValidateSolution/valid_solution()that accepts a 2D array representing a Sudoku board, and returns trueif it is a valid solution, or false otherwise. The cells of the sudokuboard may also contain 0's, which will represent empty cells.Boards containing one or more zeroes are considered to be invalid solutions.The board is always 9 cells by 9 cells, and every cell only contains integersfrom 0 to 9.
(More info at: http://en.wikipedia.org/wiki/Sudoku)"""
# Using dict/hash-tablefrom collections import defaultdict
def valid_solution_hashtable(board): for i in range(len(board)): dict_row = defaultdict(int) dict_col = defaultdict(int) for j in range(len(board[0])): value_row = board[i][j] value_col = board[j][i] if not value_row or value_col == 0: return False if value_row in dict_row: return False else: dict_row[value_row] += 1.
(Check test scores) The answers to a true-false test are as follows: T T F F T. Given a two-dimensional answer array, in which each row corresponds to the answers provided on one test, write a function that accepts the two-dimensional array and number of tests as parameters and returns a one-dimensional array containing the grades for each test. (Each question is worth 5 points so that the maximum possible grade is 25.) Test your function with the following data: int score = 0;
30.// programming
Write a function void reverse(int a[ ], int size)
to reverse the elements in array a, the second
parameter size is the number of elements in
array a. For example, if the initial values in
array a is {5, 3, 2, 0}.
After the invocation of
function reverse(), the final array values
should be {0, 2, 3, 5}
In main() function, declares and initializes an
integer array a with{5, 3, 2, 0}, call reverse()
function, display all elements in final array a.
Write the program on paper, take a picture, and upload
it as an attachment.
Or just type in the program in the answer area.
m861144
m861144
Chapter 21 Solutions
C How to Program (8th Edition)
Ch. 21 - (Write C++ Statements) Write a statement for each...Ch. 21 - (Inputting Decimal, Octal and Hexadecimal Values)...Ch. 21 - Prob. 21.8ECh. 21 - Prob. 21.9ECh. 21 - Prob. 21.10ECh. 21 - Prob. 21.11ECh. 21 - (Converting Fahrenheit to Celsius) Write a program...Ch. 21 - In some programming languages, strings are entered...Ch. 21 - Prob. 21.14ECh. 21 - Prob. 21.15E
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- Do not use AI.arrow_forwardImplement a function that finds the number of values that are less than 0 and the number of values greater than 0 stored in an array of integers. Assume the array is the partially filled array from the previous question, and uses 0 to indicate the end of values stored in it. (18 pts) Note: the results should be passed back to the caller, not directly displayed in the function. Also note, as the following code template requires, the function’s return type is void. Please finish the function header, and function implementation. Hint.. In the beginning, set the lessThan and greaterThan values to be 0. Then as you scan through the array elements one by one, compare the next array element with 0. If the element is greater, update your greaterThan count; otherwise, if the element is less, update the lessThan count, otherwise do nothing. Continue until you see the value 0. GIVEN CODE: #include <iostream>using namespace std; // Find the number of values stored that is less than 0…arrow_forward3."""Code _Write a function validSolution/ValidateSolution/valid_solution()that accepts a 2D array representing a Sudoku board, and returns trueif it is a valid solution, or false otherwise. The cells of the sudokuboard may also contain 0's, which will represent empty cells.Boards containing one or more zeroes are considered to be invalid solutions.The board is always 9 cells by 9 cells, and every cell only contains integersfrom 0 to 9. (More info at: http://en.wikipedia.org/wiki/Sudoku)""" # Using dict/hash-tablefrom collections import defaultdict def valid_solution_hashtable(board): for i in range(len(board)): dict_row = defaultdict(int) dict_col = defaultdict(int) for j in range(len(board[0])): value_row = board[i][j] value_col = board[j][i] if not value_row or value_col == 0: return False if value_row in dict_row: return False else: dict_row[value_row] += 1.arrow_forward
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