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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 |
hide comments
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2014-05-20 22:19:42 excursionist
TLE :( some suggestions plz my code is @ <snip> Last edit: 2022-11-21 12:34:43 |
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2014-04-07 17:48:50 [Lakshman]
@Pratyush try to learn Rabin Miller. |
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2014-04-07 17:24:53 .::.
got too many WA <snip> Last edit: 2022-11-21 12:34:37 |
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2014-03-12 09:12:57 Anubhav Balodhi
got a tle, got too many wa. Applying Fermat's primality test... ac 0.60 seconds, and my 95th ;-D Last edit: 2014-03-14 04:59:22 |
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2014-02-22 05:17:05 californiagurl
i'm getting TLE on a 21sec time limit question....facepalm. |
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2014-01-12 19:52:36 Martijn Muijsers
SIGPFE, sure. :P |
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2013-12-29 17:35:09 hiddenman
gr8 question..... Both algo works....perfectly... :) |
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2013-12-29 11:55:35 Satyam Kumar Shivam
phewww finally green light :D ... even 1 iteration of fermat test worked for me.. :D ... And 9223372036854775783 is the largest 63 bit prime.so, ans will be YES. |
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2013-12-27 16:05:42 Tarun Garg
@Roamn Sal dont know y but i used Miller rabin with 2 iteration and used long long unsigned everywhere still showing WA...could you pls check my submission... |
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2013-11-25 12:14:27 Saimadhav Heblikar
weak test cases.. |