Upper bound and Lower Bound

[kaushikghosh199832 (Kaushik Ghosh)]

When 10,20,30,30,20,10,10,20 is present in a vector using the function lower_bound(v.begin(),v.end(),20) .I didn’t understand the upper bound and lower bound function.

[Aarnav-Jindal-1059677350830863 (Aarnav Jindal)]

Hey @kaushikghosh199832
Welcome to the CB family
Hope you’re enjoying the course

std::upper_bound and std::lower_bound for Vector in C++ STL - GeeksforGeeks

Please have a look at this to understand lower and upper bound