PRIME1 - Prime Generator

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Peter wants to generate some prime numbers for his cryptosystem. Help him! Your task is to generate all prime numbers between two given numbers!


The input begins with the number t of test cases in a single line (t<=10). In each of the next t lines there are two numbers m and n (1 <= m <= n <= 1000000000, n-m<=100000) separated by a space.


For every test case print all prime numbers p such that m <= p <= n, one number per line, test cases separated by an empty line.


1 10
3 5


Warning: large Input/Output data, be careful with certain languages (though most should be OK if the algorithm is well designed)


After cluster change, please consider PRINT as a more challenging problem.

Added by:Adam Dzedzej
Time limit:6s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel Pentium G860 3GHz)
Languages:All except: NODEJS PERL 6 SCM chicken

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harshgupta007: 2015-07-02 13:46:59

pls help me out
on ideone this code is runnning but here it is showing error

kratigarg167: 2015-06-29 14:40:11

My code is working fine on my pc but here I am getting wrong answer and following error:
Exception in thread "main" java.util.NoSuchElementException
at java.util.Scanner.throwFor(
at java.util.Scanner.nextInt(
at java.util.Scanner.nextInt(
at Main.main(
why is this happening? Someone help me please

Last edit: 2015-06-29 14:49:36
knabmn: 2015-06-28 21:11:50

Why I get everytime a timeout error?

aagnihotri: 2015-06-28 19:55:22

This was a tough one. I used PHP. You should look into the Miller-Rabin method. And check to see if there is a native implementation of it.

dumborakesh: 2015-06-28 17:55:06

Can any one help? What to do.... Time limit exceed

dumborakesh: 2015-06-28 17:52:56

Omg .. Time limit exeed .. What is this ... ?? 5 time

Ashish: 2015-06-27 10:36:48

AC in first go, 0.00 :)

adityaparmar: 2015-06-26 22:22:41

take uint variable
and I*I instead of math.sqrt in loops
no runtime error will be faced

atg_abhishek: 2015-06-26 18:17:55

Works correctly here but I still keep getting a NZEC, can anyone help?

poojan : 2015-06-26 17:58:02

why wrong ans?????????????????????????????????????????????????????