How YouTube or Facebook manages posts, comments and videos.
If someone uploads a video or comments on YouTube, where will it appear? How will YouTube or Facebook know where it will be displayed? Which language to use for this? (SQL??). Also how can YouTube count views? What language is used for it?
They store all that in databases. On internet you can see which languages they used for their software...
Question is write a c program to print prime numbers up to n and print the largest number in array.
Error in Program