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- USE C++ (Display matrix of 0s and 1s) Write a function that displays an n-by-n matrix using the following header: void printMatrix(int n) Each element is 0 or 1, which is generated randomly. Write a test program that prompts the user to enter n and displays an n-by-n matrix. Here is a sample run:(Practice) Write correct notation for the first, third, and seventh elements of the following arrays: a. int grades[20] b. double volts[10] c. double amps[16] d. int dist[15] e. double velocity[25] f. double time[100](Practice) a. Write output statements using cout that can be used to display values from the first, third, and seventh elements of each array declared in Exercise 2. b. Write a for loop that can be used to display values for the complete array declared in Exercise 2.
- (Numerical) Given a one-dimensional array of integer numbers, write and test a function that displays the array elements in reverse order."""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.Solving system of linear equations with two variables using Cramer’s rule. In mathematics, the coefficients of linear equations are represented in the form of matrices. You’re required to automate all these steps by writing a program in C++ using two-dimensional arrays where required. Ask user to enter elements for coefficient matrix D and constant column C. Once the D and C are populated you should perform all steps above and display the values for x and y to the user. Note that in the case of a singular matrix, display a message for the system of equations can’t be solved.Rubrics:• The elements of coefficient matrix and constant column must be taken dynamically• Use of single structure of nested loop to find both x and y matrix• Use of single structure of nested loop to find the determinant of both x and y matrix
- Steps: 1- Construct two 5 x 5 matrices A and B matrices. 2- Elements of the A matrix will be requested from the user as 0-10. 3- The elements of matrix B will be formed from randomly occurring numbers between 0-10. 4- A and B matrices will be printed on the screen and the operation menu in step 5 will be displayed. 5- Operations: 1-Addition 2-Multiplication 6- C Result matrix will be created by performing operations on A and B matrices according to the selected operation. and will be displayed on the screen. 7- The user will be asked for a row and column number that they want to encrypt. 8- The row and column of the C result matrix to be encrypted are encrypted with the "*" character and encrypted. matrix will be displayed on the screen. 9- The program is repeated according to the user's choice by asking the user whether he wants to continue. It will ask for matrix A or output by displaying a “Goodbye” message.Please code in C Pascal’s Triangle Version 2 The Pascal triangle can be used to compute the coefficients of the terms in the expansion (a + b)n. For example, (a + b)2 = a2 + 2ab + b2 where 1, 2, and 1 are coefficients. Write a C program that creates a two-dimensional matrix a representing the Pascal triangle of size n. For example, a Pascal triangle of size 10 is shown below:Finish the C++ code. Enter the value stored in each element of the given array after the following code executes:
- #include <bits/stdc++.h>using namespace std;int main() { double matrix[4][3]={{2.5,3.2,6.0},{5.5, 7.5, 12.6},{11.25, 16.85, 13.45},{8.75, 35.65, 19.45}}; cout<<"Input no in first row of matrix"<<endl; for(int i=0;i<3;i++){ double t; cin>>t; matrix[0][i]=t; } cout<<"Contents of the last column in matrix"<<endl; for(int i=0;i<4;i++){ cout<<matrix[i][2]<<" "; } cout<<"Content of first row and last column element in matrix is: "<<matrix[0][3]<<endl; matrix[3][2]=13.6; cout<<"Updated matrix is :"<<endl; for(int i=0;i<4;i++){ for(int j=0;j<3;j++){ cout<<matrix[i][j]<<" "; }cout<<endl; } return 0;} Please explain this codeGiven these two arrays, char arrA[] = {'a', 'e', 'i', 'o', 'u'} and char arrB[] = {'T', 'A', 'B','L','E'}, merge these two arrays into a new array. Make sure that the contents of arrA is interspersed with contents of arrB.#include <stdio.h>#include <stdlib.h>#include <math.h>#include <string.h>#define MAX 10 void generate_matrix( int M[MAX][MAX], int rows, int cols); int main(){int matrix[MAX][MAX], temp[MAX][MAX], R, C, i , j; printf("Enter number of rows (0 to exit): ");scanf("%d", &R); if (R <= 0)return 0; printf("Enter number of columns: ");scanf("%d", &C); generate_matrix (matrix, R, C);for(j=0; j<C; j++){for(i=0; i<R; i++){printf("%d\t", matrix[i][j]);;}printf("\n");} void generate_matrix( int M[MAX][MAX],int rows, int cols){int j, i; for(j=0; j<cols; j++){for(i=0; i<rows; i++){M[j][i] = (rand() % 9);}}} The generated matrix function is supposed to generate numbers 0-9But when i test it with ROW=5, COL=7, or when ROW!=COL the generated numbers are not in between the range.CAN you fix this issue ?