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.

Restrictions:30s256Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.11	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listMar 8, 2026 18:48

zielaj

Error

Source Code

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

Challenge History

Date	Challenger	Cost	Type	Status
May 17, 2026 05:13	M-Rochat	10.00	Custom	Solution Broken

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 17, 2026 05:13	0	8,798,878	1,063,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
2	May 17, 2026 05:13	0	8,308,355	1,072,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
3	May 17, 2026 05:13	0	8,245,444	1,014,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
4	Mar 8, 2026 18:49	2,964	18,370,753	2,608,000	0	2,433,024
5	Mar 8, 2026 18:48	2,964	18,226,473	2,608,000	0	2,445,312
6	Mar 8, 2026 18:48	2,966	19,418,282	2,610,000	0	2,445,312
7	Mar 8, 2026 18:49	2,975	17,904,273	2,618,000	0	2,437,120
8	Mar 8, 2026 18:48	2,985	19,418,687	2,627,000	0	2,441,216
9	Mar 8, 2026 18:53	2,989	19,065,535	2,630,000	0	2,445,312
10	Mar 8, 2026 18:48	2,993	19,438,211	2,634,000	0	2,441,216
11	Mar 8, 2026 18:48	2,998	23,151,352	2,638,000	0	2,445,312
12	Mar 8, 2026 18:48	2,999	20,445,551	2,639,000	0	2,445,312
13	Mar 8, 2026 18:53	3,006	19,565,755	2,645,000	0	2,445,312
14	Mar 8, 2026 18:48	3,013	21,217,789	2,651,000	0	2,449,408
15	Mar 8, 2026 18:48	3,014	20,341,688	2,652,000	0	2,433,024
16	Mar 8, 2026 18:49	3,042	15,836,132	2,677,000	0	2,441,216
17	Mar 8, 2026 18:49	3,086	25,980,249	2,716,000	0	2,445,312
18	Mar 8, 2026 18:53	3,109	18,851,665	1,368,000	1,368,000	2,265,088
19	Mar 8, 2026 18:48	3,115	18,277,017	2,741,000	0	2,445,312
20	Mar 8, 2026 18:48	3,126	18,623,132	2,751,000	0	2,445,312
21	Mar 8, 2026 18:53	3,130	20,799,005	2,754,000	0	2,445,312
22	Mar 8, 2026 18:48	3,135	20,910,750	2,759,000	0	2,449,408
23	Mar 8, 2026 18:48	3,150	21,573,577	1,386,000	1,386,000	2,445,312
24	Mar 8, 2026 18:49	3,153	16,545,586	2,775,000	0	2,445,312
25	Mar 8, 2026 18:48	3,166	18,082,497	2,786,000	0	2,441,216
26	Mar 8, 2026 18:48	3,184	14,847,278	2,802,000	0	2,527,232
27	Mar 8, 2026 18:48	3,440	19,416,643	2,018,000	1,009,000	2,437,120
28	Mar 8, 2026 18:48	3,460	24,458,019	2,030,000	1,015,000	2,273,280
29	Mar 8, 2026 18:53	3,460	22,616,798	2,030,000	1,015,000	2,445,312
30	Mar 8, 2026 18:48	3,509	24,724,710	2,059,000	1,029,000	2,273,280
31	Mar 8, 2026 18:49	3,542	26,393,622	2,078,000	1,039,000	2,269,184
32	Mar 8, 2026 18:48	3,559	18,882,865	2,088,000	1,044,000	2,441,216
33	Mar 8, 2026 18:53	3,573	20,547,432	2,096,000	1,048,000	2,269,184

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1