Professional way of Programming
Given: An array of integers containing even and odd numbers. Problem: For the given array sort even number in ascending order and then sort all the odd numbers in descending order. Then arrange odd numbers first and then arrange the even numbers. Examples: Input : arr[] = {1, 2, 3, 5, 4, 7, 10} Output : … Read more
In this post we will write a C++ program to check if it is possible to make an array increasing or decreasing by rotating the array. Given: An array arr[] of N distinct elements. Problem: To check if it is possible to make it increasing or decreasing by rotating the array in any direction. Examples: Input: … Read more
Hello all, today we will write a program to check if given Binary Tree is Binary Search Tree C++ or not. So let’s start with what properties a tree must satisfy so that it is a Binary Search Tree. How to identify a Binary Search Tree: The tree satisfies the binary search tree property, which … Read more
Below is the program to find the sum of all numbers in the given range which are divisible by any input number: #include <bits/stdc++.h> using namespace std; int findSmallNum(int N, int K) { int rem = N % K; if (rem == 0) return N; else return N – rem; } … Read more
Here we will under how to swap a variable using call by reference then we will write a program to swap two numbers using call by reference method in C++ programming language. What is Call by Reference? The call by reference method of passing arguments to a function copies the address of an argument into the formal … Read more