Sum of prime numbers Andrey Tsvetkov

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.

Back to listJun 23, 2026 00:04Josu San MartinJosu San MartinScore: 5,347Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 23, 2026 00:075,25212,131,3164,622,00002,113,536
2Jun 23, 2026 00:075,27212,115,7074,640,00002,113,536
3Jun 23, 2026 00:075,32012,154,3574,682,00002,113,536
4Jun 23, 2026 00:075,34512,114,4384,704,00002,113,536
5Jun 23, 2026 00:075,34712,185,6144,706,00002,113,536
6Jun 23, 2026 00:075,36212,177,2754,719,00002,113,536
7Jun 23, 2026 00:075,36412,522,1184,721,00002,113,536
8Jun 23, 2026 00:075,36512,488,9504,722,00002,113,536
9Jun 23, 2026 00:075,37512,204,5884,730,00002,113,536