Factorial problem in maths section

#1

https://ide.codingblocks.com/s/207086 My code is not working for all the test cases. May I know my mistake please?

#2

@nayakashutosh99
if(p[k]==1)
a.push_back(k);
This line is troublesome and giving segmentation fault
Range of K is 10^8
p has a range of 10^7

#3

that’s fine but after updating also I am getting WA in the last test case

#4
#5

@nayakashutosh99
Your answer is wrong for just this test case

Q: 1
40335377 61296961
A: 136267

#6

Okay I will rectify it. Thank you

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