C Program to Find Sum Of First n Natural Numbers in O(1)

This C Interview question (with program) will teach you how to evaluate sum of n numbers in O(1) time. This is one of the most important questions asked in the interviews these days! ►This video is a part of this C Programming Practice Programs Playlist:    • C Language Practice Programs   ►Checkout my English channel here: youtube.com/ProgrammingWithHarry ►Click here to subscribe -    / @codewithharry   Best Hindi Videos For Learning Programming: ►Learn Python In One Video -    • Python Tutorial In Hindi 🔥   ►Python Complete Course In Hindi -    • Python Tutorials For Absolute Beginne...   ►C Language Complete Course In Hindi -    • C Language Tutorials In Hindi   ►JavaScript Complete Course In Hindi -    • JavaScript Tutorials In Hindi   ►Learn JavaScript in One Video -    • JavaScript Tutorial   ►Learn PHP In One Video -    • Learn Php In One Video In Hindi - हिं...   ►Django Complete Course In Hindi -    • Python Django Tutorials In Hindi   ►Machine Learning Using Python -    • Machine Learning Tutorials For Beginn...   ►Creating & Hosting A Website (Tech Blog) Using Python -    • [Hindi] Web Development Using Flask a...   ►Advanced Python Tutorials -    • Intermediate/Advanced python Tutorial...   ►Object Oriented Programming In Python -    • Object Oriented Programming Tutorials...   ►Python Data Science and Big Data Tutorials -    • Python Data Science and Big Data Tuto...   Follow Me On Social Media ►Website (created using Flask) - www.codewithharry.com/ ►Facebook - www.facebook.com/CodeWithHarry ►Instagram - www.instagram.com/codewithharry/ ►Personal Facebook A/c - www.facebook.com/geekyharis Twitter - twitter.com/Haris_Is_Here