MUL - Fast Multiplication
Multiply the given numbers.
Input
n [the number of multiplications ≤ 1000]
l1 l2 [numbers to multiply (at most 10000 decimal digits each)]
Text grouped in [ ] does not appear in the input file.
Output
The results of multiplications.
Example
Input: 5 4 2 123 43 324 342 0 12 9999 12345 Output: 8 5289 110808 0 123437655
Warning: large Input/Output data, be careful with certain languages
hide comments
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algo_aris:
2015-12-08 17:03:38
Interesting task, because even in Java implementation of BigInteger in 6 lines works faster than Karatsuba |
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darkhire21:
2015-11-04 13:03:24
if you want to learn something new do it in c++/c. |
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abdiazizelmi_1:
2015-10-12 21:17:47
Using C# in visual studio 2015, it executes fine but here it says compilation error. Please spoj upgrade your compilers.
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guneet_1995:
2015-08-25 19:17:17
AC ;) learnt about java.math.BigInteger class and using its variables. |
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skrishna99:
2015-08-16 11:02:59
In my Pc I get correct answer for all sample input , Ideone it compiled successfully . But I get WA in SPOJ please help. |
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ranvirsingh:
2015-08-12 05:48:34
0 line code in c. Don't do it. Last edit: 2015-08-12 05:48:50 |
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prakash_reddy:
2015-08-11 19:12:44
Easy in java.... :) |
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ranjeetkumar:
2015-08-09 08:50:46
5 line code in java.......easy one(use biginteger)
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guneet_1995:
2015-08-05 21:41:01
I submitted it 4 times my id no. is 14829752
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Hikari9:
2015-07-26 07:24:04
Use fast fourier transform for GCC. Either that, or group digits into groups of 10 |
| Added by: | Darek Dereniowski |
| Date: | 2004-06-01 |
| Time limit: | 1.649s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All |
| Resource: | PAL |
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