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C++ Programming Code Examples

C++ > Pyramid Patterns Code Examples

Program to print half pyramid a using numbers



Program to print half pyramid a using numbers

#include <iostream>
using namespace std;

int main()
{
    int rows;

    cout << "Enter number of rows: ";
    cin >> rows;

    for(int i = 1; i <= rows; ++i)
    {
        for(int j = 1; j <= i; ++j)
        {
            cout << j << " ";
        }
        cout << "\n";
    }
    return 0;
}

C++ Sample Calculate Power by Recursion
This technique can only calculate power if the exponent is a 'positive integer'. To find power of a number, you can use pow() function. C++ program calculates the power of any number

Count Vowels & Consonants in a Sentence
Take the sentence as input, store in the array sentence[] and Initialize the variables vowels, consonants and special to zero. Using if, else statements, check if the sentence has vowels

Replace all Occurrences of a Character in a
Write a C program to 'Replace all Occurrence' of a character with another in a string using a Function. 'Input a string' from user, store it in some variable say str. Input old character and

Generates Random Directed Acyclic Graph
This algorithm takes the input of the number of edges 'e' in the random "DAG". It connects 2 'Random Vertexes' and checks for any cycle generated due to this edge. If yes discard this

Perform Preorder Non-Recursive Traversal
C++ Program to "Print Preorder Traversal" of a given binray tree without using recursion. A binary tree node has data, left child and right child. "Helper Function" that allocates a new

C Data Structures Dynamic String Arrays
Dynamic string arrays in C language. Print the array of strings. Free the string array, Note: You must delete each individual string before you delete the array of pointers...

C++ Computes Cross Product of 2 Vectors
C++ Program to find the cross product of two vectors. In mathematics, the cross product or vector product is a "Binary Operation" on two vectors in three-dimensional space. It results

Calling by reference is a little bit the same
It affects the "value of the variable" from the Parameter List. There is a possibility to use the default values for the parameters in the parameters list. In this case you can assign a