The srand() function is used to generate truly random number. Can anyone explain this just confuse a lot why this need in rand

Answer 1

This code may help you understand why seeding is important in RNG algorithms.

https://code.sololearn.com/cMUCJqFL1X65/?ref=app

Answer 2

More reference:

https://www.sololearn.com/discuss/600365/?ref=app
https://www.sololearn.com/discuss/600360/?ref=app
https://www.sololearn.com/discuss/122840/?ref=app
https://www.sololearn.com/discuss/243654/?ref=app