My code is passing all the test cases except one. I am not able to understand why it is coming run error

#1

Here is my code

#2

The 500,000th prime is 7,368,787

so make size of p array at least 7million

#3

It is showing segmentation fault by increasing the size of array

#4

ideally it should be not give segmentation fault for size
7400000
if it is giving then try to
make the array global

#5

Modified Code