Birthday paradox problm

#1

i just did what was asked to be done in question
i mean the approach i.e formula was given
i applied that and am not getting correct answer

https://ide.codingblocks.com/s/42574

https://hack.codingblocks.com/contests/c/512/827

#2

Hey Jai, the formula you are using is not correct. what you are supposed to do is ppl=ceil(sqrt(i*2*365)); instead of ppl=sqrt(i*2.365);