How my submitted code is incorrect?

the code i have used is giving the same output and when i have seen for the help then it shows me that code in which i don’t know about that particular header file so plss help me in it

Hello @discobot,
Could you pls share the code,
May be it must have max() function that return like max(a,b) will return maximum of a and b , for we use algorithm header file and use it like
#include

Hi! To find out what I can do, say @discobot display help.

@discobot can you help me

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