This blog is about providing theory as well as simple executable codes of different programming languages such as java, C, C++, and web programming, etc. This blog will be helpful to the IT students to learn about programming.

Sunday, March 12, 2023

C++ program to print lines of text using function

 Write a program to print following lines of text in an exact format using functions,
*****************************************
** Welcone to C++ programming language **
*****************************************
The first and third line of the text should be printed using one function and the second line using another one.

Here's a program in C++ that prints the following lines of text in an exact format using functions:

#include <iostream> #include <string> using namespace std; void printLine(int length, char character) { for (int i = 0; i < length; i++) { cout << character; } cout << endl; } void printText(string text, int length, char character) { int textLength = text.length(); int spaces = length - textLength - 2; cout << character << " "; cout << text; for (int i = 0; i < spaces; i++) { cout << " "; } cout << " " << character << endl; } int main() { int length = 42; char character = '*'; string text = "Welcome to C++ programming language"; printLine(length, character); printText(text, length, character); printLine(length, character); return 0; }

In this program, we define two functions named printLine and printText. The printLine function takes two arguments: length specifies the length of the line, and character specifies the character to print. The function prints the character length number of times, followed by a newline character. void printLine(int length, char character) { for (int i = 0; i < length; i++) { cout << character; } cout << endl; }

The printText function takes three arguments: text specifies the text to print, length specifies the length of the line, and character specifies the character to use for the borders. The function prints the text surrounded by border characters, with spaces added to fill out the line. void printText(string text, int length, char character) { int textLength = text.length(); int spaces = length - textLength - 2; cout << character << " "; cout << text; for (int i = 0; i < spaces; i++) { cout << " "; } cout << " " << character << endl; }

In the main function, we define variables for the length of the line, the border character, and the text to print. We then call the printLine function to print the top border, followed by the printText function to print the text, and then call printLine again to print the bottom border. int main() { int length = 42; char character = '*'; string text = "Welcome to C++ programming language"; printLine(length, character); printText(text, length, character); printLine(length, character); return 0; }

The output of the program will be: ****************************************** * Welcome to C++ programming language * ******************************************

Note that the text is centered within the borders, with equal amounts of space on either side.

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