Sum of prime numbers 
Compute the sum of all prime numbers in a stream of binary integers as fast as possible.
Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).
Output: The uint64 sum of all values that are prime, printed as a decimal string.
| Date | Author | Language | Status | Score | |
|---|---|---|---|---|---|
| Jan 30, 2026 20:47 | CPPg++13.3.0 | Success | 4,650 | ||
| Jan 30, 2026 20:42 | CPPg++13.3.0 | Success | 4,641+6.48 RP | ||
| Jan 27, 2026 13:54 | CPPg++13.3.0 | Success | 1,056,352+0.09 RP | ||
| Jan 27, 2026 13:48 | CPPg++13.3.0 | Success | 1,066,919+0.03 RP | ||
| Jan 27, 2026 13:46 | CPPg++13.3.0 | Success | 1,071,616 | ||
| Jan 27, 2026 13:43 | CPPg++13.3.0 | Success | 1,070,668+8.54 RP | ||
| Jan 27, 2026 13:35 | CPPg++13.3.0 | Success | 12,576,903 | ||
| Jan 27, 2026 13:33 | CPPg++13.3.0 | Success | 12,560,440+0.80 RP | ||
| Jan 26, 2026 23:23 | CPPclang++18.1.3 | Error | |||
| Jan 26, 2026 23:22 | CPPclang++18.1.3 | Error | |||
| Jan 26, 2026 23:21 | CPPclang++18.1.3 | Error | |||
| Jan 26, 2026 01:47 | CPPclang++18.1.3 | Error | |||
| Jan 26, 2026 01:46 | CPPclang++18.1.3 | Error | |||
| Jan 26, 2026 01:38 | CPPclang++18.1.3 | Error | |||
| Jan 25, 2026 23:30 | CPPclang++18.1.3 | Error | |||
| Jan 25, 2026 01:17 | CPPclang++18.1.3 | Error | |||
| Jan 25, 2026 01:15 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 21:23 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 21:10 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 20:35 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 20:19 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 20:16 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 02:52 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 02:17 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:58 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:56 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:39 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:37 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:30 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:22 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:08 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:07 | CPPclang++18.1.3 | Error | |||
| Jan 24, 2026 01:04 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:44 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:31 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:05 | CPPclang++18.1.3 | Success | 3,897 | ||
| Jan 23, 2026 04:04 | RUSTrust-1.92.0 | Error | |||
| Jan 23, 2026 04:03 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:03 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:02 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 04:01 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 03:59 | CPPclang++18.1.3 | Error | |||
| Jan 23, 2026 03:59 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 04:42 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 04:41 | CPPclang++18.1.3 | Success | 3,641 | ||
| Jan 22, 2026 04:40 | CPPclang++18.1.3 | Success | 4,191 | ||
| Jan 22, 2026 04:40 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 04:38 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 03:57 | CPPclang++18.1.3 | Success | 3,624 | ||
| Jan 22, 2026 03:56 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 03:34 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 03:25 | CPPclang++18.1.3 | Success | 3,608 | ||
| Jan 22, 2026 03:21 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 03:15 | CPPclang++18.1.3 | Error | |||
| Jan 22, 2026 03:15 | CPPclang++18.1.3 | Error | |||
| Jan 21, 2026 14:03 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 14:02 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 14:01 | CPPg++13.3.0 | Error | +3.01 RP | ||
| Jan 21, 2026 14:01 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 14:00 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:59 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:48 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:33 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:28 | CPPg++13.3.0 | Success | 9,611 | ||
| Jan 21, 2026 13:19 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:15 | CPPg++13.3.0 | Success | 9,166 | ||
| Jan 21, 2026 13:14 | CPPg++13.3.0 | Error | |||
| Jan 21, 2026 13:08 | CPPg++13.3.0 | Success | 10,347 | ||
| Jan 21, 2026 13:02 | CPPg++13.3.0 | Success | 9,048 | ||
| Jan 21, 2026 11:40 | CPPg++13.3.0 | Error | +19.09 RP | ||
| Jan 21, 2026 03:15 | CPPclang++18.1.3 | Error | |||
| Jan 21, 2026 02:55 | CPPclang++18.1.3 | Error | |||
| Jan 21, 2026 02:55 | CPPclang++18.1.3 | Error | |||
| Jan 20, 2026 22:44 | CPPclang++18.1.3 | Error | |||
| Jan 20, 2026 22:44 | CPPclang++18.1.3 | Success | 16,244 | ||
| Jan 20, 2026 22:44 | CPPclang++18.1.3 | Error | |||
| Jan 20, 2026 22:44 | CPPclang++18.1.3 | Error | |||
| Jan 20, 2026 18:45 | CPPclang++18.1.3 | Error | |||
| Jan 20, 2026 17:29 | CPPg++13.3.0 | Success | 148,210 | ||
| Jan 20, 2026 17:28 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 17:27 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 17:21 | CPPg++13.3.0 | Success | 99,385+49.57 RP | ||
| Jan 20, 2026 17:17 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 16:55 | CPPg++13.3.0 | Success | 195,890+5.72 RP | ||
| Jan 20, 2026 16:54 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 16:53 | CPPg++13.3.0 | Success | 220,597+4.69 RP | ||
| Jan 20, 2026 16:50 | CPPg++13.3.0 | Success | 246,050+2.66 RP | ||
| Jan 20, 2026 16:47 | CPPg++13.3.0 | Success | 263,283+37.19 RP | ||
| Jan 20, 2026 16:24 | CPPg++13.3.0 | Success | 26,997,225 | ||
| Jan 20, 2026 16:21 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 16:20 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 16:15 | CPPg++13.3.0 | Error | |||
| Jan 20, 2026 16:10 | CPPg++13.3.0 | Error | +9.18 RP | ||
| Jan 20, 2026 16:08 | CPPg++13.3.0 | Error | +50.01 RP | ||
| Jan 20, 2026 16:07 | CPPg++13.3.0 | Success | 12,558,183+0.80 RP | ||
| Jan 20, 2026 15:52 | CPPg++13.3.0 | Success | 9,195 | ||
| Jan 20, 2026 15:49 | CPPg++13.3.0 | Success | 9,247 | ||
| Jan 20, 2026 15:49 | CPPg++13.3.0 | Success | 9,169+0.12 RP | ||
| Jan 20, 2026 15:46 | CPPg++13.3.0 | Success | 9,400 | ||
| Jan 20, 2026 15:42 | CPPg++13.3.0 | Success | 9,170+76.93 RP |