min() in c++

general
,
1

This code of c++ do not have any error. Can anybody please explain why.

https://ide.geeksforgeeks.org/3Cwr1gGwNv

2

and why do you think it should have any error???

3

min is a function provided under algorithm library since C++11.

Look it up here:
http://en.cppreference.com/w/cpp/algorithm/min