DOUBT IN Deepak and Primes II

#1

one testcase is getting wrong please help, i have written the correct code. Here is my code:

#2

See contraints , what if b = 1000000000 and ( b - a ) = 100000 , your solution will run O(sqrt(b) * (b-a) ) which leads to TLE.

#3

Use proper segmented sieve.
Refer this-:

#4

Thanks Rated you 5 stars !

#5

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