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 22, 2026 21:41Josu San MartinJosu San MartinScore: 5,304Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jun 22, 2026 21:445,27712,262,7274,644,00002,113,536
2Jun 22, 2026 21:445,27812,261,0574,645,00002,113,536
3Jun 22, 2026 21:445,29012,103,1864,656,00002,113,536
4Jun 22, 2026 21:445,30112,167,1764,665,00002,113,536
5Jun 22, 2026 21:445,30412,159,6654,668,00002,113,536
6Jun 22, 2026 21:445,33512,174,5254,695,00002,113,536
7Jun 22, 2026 21:445,38612,168,9664,740,00002,113,536
8Jun 22, 2026 21:445,42012,626,6194,770,00002,113,536
9Jun 22, 2026 21:445,75212,950,8085,062,00002,113,536