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PON - Prime or Not |
Given the number, you are to answer the question: "Is it prime?"
Solutions to this problem can be submitted in C, C++, Pascal, Perl, Python, Ruby, Lisp, Hask, Ocaml, Prolog, Whitespace, Brainf**k and Intercal only.
Input
t – the number of test cases, then t test cases follows. [t <= 500]
Each line contains one integer: N [2 <= N <= 2^63-1]
Output
For each test case output string "YES" if given number is prime and "NO" otherwise.
Example
Input: 5 2 3 4 5 6 Output: YES YES NO YES NO
Added by: | Roman Sol |
Date: | 2005-01-24 |
Time limit: | 21s |
Source limit: | 5000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All except: ADA95 ASM32 BASH CSHARP CLPS D ERL FORTRAN ICON JAVA JS-RHINO LUA NEM NICE PHP PIKE ST |
Resource: | ZCon 2005 |
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2020-08-02 10:34:40
Why is primality test of sqrt(N) is throwing TLE? [NG]: Because sqrt(max_n) = 2^32. Last edit: 2020-08-02 15:01:19 |
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2020-07-26 00:23:40
0.00 sec with miller rabin |
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2020-07-23 20:25:01
can anyone provide the link of his code done by Fermat or miller method ?? i tried both but both gave the wrong answer |
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2020-07-14 23:47:59
how can i get AC in 0.00s ?my current best is 0.06s . |
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2020-07-14 09:28:22
Got AC with 2.68 sec using fermat's theorem. Hint: Take care of overflow while multiplying. Last edit: 2020-07-14 09:31:13 |
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2020-06-23 07:08:20
my code was compiled in 14sec but still its showing tle. any suggestions why? |
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2020-06-05 12:59:50
@sutharp777 sadly, we can not submit in Java or Kotlin. |
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2020-06-05 09:50:16
Works great with Fermats little test just make sure to give it somewhere around 20 iteration, got AC in 0.10s using python! |
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2020-05-29 13:57:41
in java it's easy just isProbablePrime(10) in java.math.BigInteger. |
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2020-05-27 15:43:10
BigMod alone can not take care of overflow |