Large integer multiplication 
Multiply two large unsigned integers as fast as possible.
Input
Exactly 500,000 bytes on STDIN: two unsigned integers encoded back-to-back, each 250,000 bytes, in little-endian byte order.
Output
Write exactly 500,000 bytes to STDOUT containing the product in little-endian byte order.
| Date | Author | Language | Status | Score | |
|---|---|---|---|---|---|
| Jun 5, 2026 21:03 | CPPg++14.2.0 | Success | 2,660 | ||
| Jun 5, 2026 20:51 | CPPg++14.2.0 | Success | 2,653 | ||
| Jun 5, 2026 20:41 | CPPg++14.2.0 | Success | 2,780 | ||
| Jun 5, 2026 20:34 | CPPg++14.2.0 | Success | 2,731 | ||
| Jun 5, 2026 20:21 | CPPg++14.2.0 | Success | 2,634 | ||
| Jun 5, 2026 19:41 | CPPg++14.2.0 | Success | 2,638 | ||
| Jun 5, 2026 19:36 | CPPg++14.2.0 | Success | 2,694 | ||
| Jun 5, 2026 19:26 | CPPg++14.2.0 | Success | 2,592 | ||
| Jun 5, 2026 19:17 | CPPg++14.2.0 | Success | 2,671 | ||
| Jun 5, 2026 19:09 | CPPg++14.2.0 | Success | 2,554 | ||
| Jun 5, 2026 19:03 | CPPg++14.2.0 | Success | 2,649 | ||
| Jun 5, 2026 18:50 | CPPg++14.2.0 | Success | 2,756 | ||
| Jun 5, 2026 17:40 | CPPg++14.2.0 | Success | 2,737 | ||
| Jun 5, 2026 17:36 | CPPg++14.2.0 | Success | 2,810 | ||
| Jun 5, 2026 17:23 | CPPg++14.2.0 | Success | 2,746 | ||
| Jun 5, 2026 00:37 | CPPg++14.2.0 | Success | 2,587 | ||
| Jun 5, 2026 00:26 | CPPg++14.2.0 | Success | 2,718 | ||
| Jun 4, 2026 21:48 | CPPg++14.2.0 | Success | 2,552+39.52 RP | ||
| Jun 4, 2026 21:43 | CPPg++14.2.0 | Success | 2,793 | ||
| Jun 4, 2026 21:07 | CPPg++14.2.0 | Success | 2,688 | ||
| Jun 4, 2026 20:20 | CPPg++14.2.0 | Success | 2,711 | ||
| Jun 4, 2026 20:13 | CPPg++14.2.0 | Success | 2,613 | ||
| Jun 4, 2026 19:57 | CPPg++14.2.0 | Success | 2,655 | ||
| Jun 4, 2026 19:24 | CPPg++14.2.0 | Success | 2,681 | ||
| Jun 4, 2026 18:24 | CPPg++14.2.0 | Success | 2,596 | ||
| Jun 4, 2026 18:13 | CPPg++14.2.0 | Success | 2,594 | ||
| Jun 4, 2026 18:10 | CPPg++14.2.0 | Success | 4,000 | ||
| Jun 4, 2026 18:07 | CPPg++14.2.0 | Success | 4,252 | ||
| Jun 4, 2026 18:01 | CPPg++14.2.0 | Success | 3,988 | ||
| Jun 4, 2026 17:55 | CPPg++14.2.0 | Success | 4,394 | ||
| Jun 4, 2026 17:52 | CPPg++14.2.0 | Success | 4,086 | ||
| Jun 4, 2026 16:27 | CPPg++14.2.0 | Success | 2,654 | ||
| Jun 4, 2026 16:22 | CPPg++14.2.0 | Success | 4,180 | ||
| Jun 4, 2026 08:38 | CPPg++14.2.0 | Success | 7,328 | ||
| Jun 4, 2026 06:03 | CPPg++14.2.0 | Success | 2,606 | ||
| Jun 4, 2026 03:37 | CPPg++14.2.0 | Success | 2,605 | ||
| Jun 4, 2026 03:30 | CPPg++14.2.0 | Success | 2,620 | ||
| Jun 4, 2026 03:26 | CPPg++14.2.0 | Success | 2,661 | ||
| Jun 4, 2026 03:16 | CPPg++14.2.0 | Success | 2,801 | ||
| Jun 4, 2026 03:09 | CPPg++14.2.0 | Success | 2,586 | ||
| Jun 4, 2026 02:56 | CPPg++14.2.0 | Success | 2,578+44.62 RP | ||
| Jun 4, 2026 02:41 | CPPg++14.2.0 | Success | 2,764 | ||
| Jun 4, 2026 02:22 | CPPg++14.2.0 | Success | 2,770 | ||
| Jun 4, 2026 02:14 | CPPg++14.2.0 | Success | 2,836 | ||
| Jun 4, 2026 01:35 | CPPg++14.2.0 | Success | 2,783 | ||
| Jun 4, 2026 01:25 | CPPg++14.2.0 | Success | 2,718 | ||
| Jun 4, 2026 01:12 | CPPg++14.2.0 | Success | 2,691 | ||
| Jun 4, 2026 00:58 | CPPg++14.2.0 | Success | 2,608+144.32 RP | ||
| Jun 4, 2026 00:45 | CPPg++14.2.0 | Success | 3,058 | ||
| Jun 4, 2026 00:37 | CPPg++14.2.0 | Success | 2,720 | ||
| Jun 4, 2026 00:10 | CPPg++14.2.0 | Success | 3,116 | ||
| Jun 4, 2026 00:03 | CPPg++14.2.0 | Success | 2,718 | ||
| Jun 3, 2026 23:52 | CPPg++14.2.0 | Success | 2,710+90.32 RP | ||
| Jun 3, 2026 23:38 | CPPg++14.2.0 | Success | 2,910 | ||
| Jun 3, 2026 23:27 | CPPg++14.2.0 | Error | |||
| Jun 3, 2026 23:18 | CPPg++14.2.0 | Success | 3,066 | ||
| Jun 3, 2026 23:10 | CPPg++14.2.0 | Success | 2,883 | ||
| Jun 3, 2026 22:42 | CPPg++14.2.0 | Success | 2,889 | ||
| Jun 3, 2026 22:19 | CPPg++14.2.0 | Success | 6,313 | ||
| Jun 3, 2026 20:51 | CPPg++14.2.0 | Success | 2,861 | ||
| Jun 3, 2026 20:46 | CPPg++14.2.0 | Success | 2,956 | ||
| Jun 3, 2026 20:33 | CPPg++14.2.0 | Success | 3,024 | ||
| Jun 3, 2026 20:06 | CPPg++14.2.0 | Success | 3,165 | ||
| Jun 3, 2026 19:56 | CPPg++14.2.0 | Success | 3,146 | ||
| Jun 3, 2026 18:43 | CPPg++14.2.0 | Success | 2,984 | ||
| Jun 3, 2026 18:33 | CPPg++14.2.0 | Success | 2,778+132.31 RP | ||
| Jun 3, 2026 17:24 | CPPg++14.2.0 | Success | 2,884+3.60 RP | ||
| Jun 3, 2026 17:12 | CPPg++14.2.0 | Success | 3,010 | ||
| Jun 3, 2026 16:47 | CPPg++14.2.0 | Success | 2,987 | ||
| Jun 3, 2026 16:40 | CPPg++14.2.0 | Success | 2,887+503.47 RP | ||
| Jun 3, 2026 16:31 | CPPg++14.2.0 | Success | 3,562 | ||
| Jun 3, 2026 16:22 | CPPg++14.2.0 | Success | 3,378+188.71 RP | ||
| Jun 3, 2026 16:15 | CPPg++14.2.0 | Success | 3,676 | ||
| Jun 3, 2026 15:46 | CPPg++14.2.0 | Success | 3,865 | ||
| Jun 3, 2026 15:29 | CPPg++14.2.0 | Success | 3,608+479.09 RP | ||
| Jun 3, 2026 15:21 | CPPg++14.2.0 | Success | 4,362+243.77 RP | ||
| Jun 3, 2026 10:02 | CPPg++14.2.0 | Success | 1,722+40.32 RP | ||
| Jun 3, 2026 09:04 | CPPg++14.2.0 | Success | 1,836 | ||
| Jun 3, 2026 07:42 | CPPg++14.2.0 | Success | 5,219 | ||
| Jun 3, 2026 07:33 | CPPg++14.2.0 | Success | 5,276 | ||
| Jun 3, 2026 07:33 | CPPg++14.2.0 | Success | 1,728+79.82 RP | ||
| Jun 3, 2026 07:30 | CPPg++14.2.0 | Success | 5,422 | ||
| Jun 3, 2026 07:26 | CPPg++14.2.0 | Success | 5,240 | ||
| Jun 3, 2026 07:16 | CPPg++14.2.0 | Success | 4,881+23.24 RP | ||
| Jun 3, 2026 07:01 | CPPg++14.2.0 | Success | 10,412 | ||
| Jun 3, 2026 06:46 | CPPg++14.2.0 | Success | 10,358 | ||
| Jun 3, 2026 06:31 | CPPg++14.2.0 | Success | 6,066 | ||
| Jun 3, 2026 06:08 | CPPg++14.2.0 | Success | 7,093 | ||
| Jun 3, 2026 06:01 | CPPg++14.2.0 | Success | 10,786 | ||
| Jun 3, 2026 04:40 | CPPg++14.2.0 | Success | 8,307 | ||
| Jun 3, 2026 03:22 | CPPg++14.2.0 | Success | 1,799 | ||
| Jun 3, 2026 01:16 | CPPg++14.2.0 | Success | 1,744 | ||
| Jun 2, 2026 23:59 | CPPg++14.2.0 | Success | 1,740+207.58 RP | ||
| Jun 2, 2026 22:18 | CPPg++14.2.0 | Success | 1,823 | ||
| Jun 2, 2026 21:41 | CPPg++14.2.0 | Success | 1,822 | ||
| Jun 2, 2026 18:21 | CPPg++14.2.0 | Success | 1,772+88.48 RP | ||
| Jun 2, 2026 17:45 | CPPg++14.2.0 | Success | 1,786+666.34 RP | ||
| Jun 2, 2026 17:31 | CPPg++14.2.0 | Success | 1,899+1'220.88 RP | ||
| Jun 2, 2026 17:14 | CPPg++14.2.0 | Success | 2,220 | ||
| Jun 2, 2026 15:58 | CPPg++14.2.0 | Success | 2,224 |