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 listJan 20, 2025 12:24matsuoka-601matsuoka-601Error
Source Code

Source code access is restricted. Log in to request access.

Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:38M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:3809,828,2841,298,00002,117,632expected "6442459076 ", got "21135730483 "
2May 17, 2026 07:3809,532,2411,308,00002,117,632expected "6442459076 ", got "21135730483 "
3May 17, 2026 07:3808,582,4891,344,00002,117,632expected "6442459076 ", got "21135730483 "
4Jan 20, 2025 12:248,98824,663,7755,932,0001,977,0002,359,296
5Jan 20, 2025 12:248,99123,380,9845,934,0001,978,0002,490,368
6Jan 20, 2025 12:249,00129,565,1095,941,0001,980,0002,424,832