#include <stdio.h> #include<iostream> #include<math.h> using namespace std; bool flag[20000002]; int primes[20000000]; void sieve(int n) { int index=0; primes[index++] = 2; for(int i=3; i<=n; i+=2) { if(flag[i] == 0) { primes[index++] = i; if(i...
Post-order traverse of a Tree with C program.
Post-order: Post-order traverse need to traverse left, then right then root. Array, Linked List, Queues, Stacks, etc. are linear traversal where have only one logical way to traverse them. Though trees can be traversed in different ways. That Traversals: In-order...
C program In-order Traversal of a Tree.
In-order Traversal of a Tree. In-order traversal is very commonly used on binary search trees(BST).Tt returns values from the underlying set in order, according to the comparator set up of the binary search tree. Array, Linked List, Queues, Stacks, etc. are linear...
C Program For Pre-order traversal in a Tree.
Pre-order traversal: Pre-order traverse need to traverse root, then left, then right. Array, Linked List, Queues, Stacks, etc. are linear traversal where have only one logical way to traverse them. Though trees can be traversed in different ways. That Traversals:...
Binary Tree with implementation using C.
Binary Tree: A binary tree each node has at most two children generally referred as left child and right child from root node. Components of Each node: Pointer to left subtree Pointer to right subtree Data element The topmost node in the tree is called...
The Enduring Power of PHP: Why It’s Still Thriving in 2025 and Beyond
Despite frequent predictions of its demise, PHP remains a cornerstone of web development. Discover why this ‘immortal’ language continues to evolve and power millions of websites.
Mastering IELTS Speaking: Strategies & Band 9 Tips for November 2025 (Germany Focus)
Prepare for your IELTS Speaking test with expert strategies, potential November 2025 question insights, and essential tips to achieve a Band 9 score, especially for test-takers in Germany.
Laravel’s Power: Unlocking Large-Scale Projects with DDD & The New Cloud API
Explore how Laravel excels in large-scale applications, integrates with Domain-Driven Design, and the exciting potential of the new Laravel Cloud API.
Python’s Dominance: Powering the Future of Data Science and AI
Discover why Python is the undisputed leader in data science, exploring its key advantages, essential libraries, and profound impact on AI, machine learning, and data-driven innovations.




