C++ Exercises: Display the pattern like a pyramid with numbers increased by 1

Last update on December 20 2024 12:29:36 (UTC/GMT +8 hours)

Write a C++ program to make such a pattern like a pyramid with numbers increased by 1.

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Sample Solution:

C++ Code :

#include <iostream> // Include the input/output stream library
#include <string>   // Include the string handling library
using namespace std; // Using standard namespace

int main() // Main function where the execution of the program starts
{
    int i, j, spc, rows, k, t = 1; // Declare integer variables i, j, spc, rows, k, and t with t initialized to 1

    // Display message asking for input
    cout << "\n\n Display such a pattern like a pyramid with numbers increased by 1:\n";
    cout << "-----------------------------------------------------------------------\n";
    cout << " Input number of rows: ";
    cin >> rows; // Read input for the number of rows from the user

    spc = rows + 4 - 1; // Calculate the number of spaces for formatting

    // Loop to print the pyramid pattern with numbers increased by 1
    for (i = 1; i <= rows; i++) // Loop for the number of rows
    {
        for (k = spc; k >= 1; k--) // Loop to print spaces before the numbers
        {
            cout << " "; // Print a space
        }

        for (j = 1; j <= i; j++) // Loop to print numbers in each row
        {
            cout << t++ << " "; // Print the value of 't' (increased by 1) and increment 't' afterwards
        }

        cout << endl; // Move to the next line after each row is printed
        spc--; // Decrement the number of spaces for the next row
    }
}

Sample Output:

 Display such a pattern like a pyramid with numbers increased by 1:    
-----------------------------------------------------------------------
 Input number of rows: 4                                               
       1                                                               
      2 3                                                              
     4 5 6                                                             
    7 8 9 10 

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