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.

Date	Author	Language	Status	Score
Feb 19, 2026 01:34	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 20:20	Aleksei Shahoika	CPPg++13.3.0	Success	87,163
Feb 18, 2026 04:03	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 04:01	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 03:58	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 03:57	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 02:50	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 02:47	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 02:43	zielaj	CPPclang++18.1.3	Error
Feb 18, 2026 00:33	olliecrow	CPPclang++18.1.3	Success	31,200
Feb 17, 2026 14:09	zielaj	CPPclang++18.1.3	Error	+7.24 RP
Feb 17, 2026 14:08	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 14:05	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 14:02	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 13:58	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 03:21	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 03:19	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 03:09	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 03:07	zielaj	CPPclang++18.1.3	Error
Feb 17, 2026 03:07	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 23:19	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 23:17	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 23:16	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 16:20	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 16:16	zielaj	CPPclang++18.1.3	Success	3,588
Feb 16, 2026 16:15	zielaj	CPPclang++18.1.3	Success	1,909,989
Feb 16, 2026 15:57	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:55	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:53	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:52	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:51	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:49	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:44	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:42	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:40	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:37	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:37	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:30	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:27	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 15:26	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:48	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:46	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:45	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:29	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:27	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 01:20	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 00:44	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 00:41	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 00:39	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 00:10	zielaj	CPPclang++18.1.3	Error
Feb 16, 2026 00:09	zielaj	CPPclang++18.1.3	Success	3,644
Feb 15, 2026 23:48	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 23:47	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 23:44	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 22:45	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 22:44	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:47	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:35	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:35	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:32	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:28	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:26	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:19	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:18	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 21:16	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:47	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:41	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:37	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:31	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:29	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 20:26	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 19:03	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:43	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:36	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:34	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:31	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:27	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:24	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:24	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:21	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:21	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:18	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 18:16	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 03:06	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 03:04	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 03:04	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 03:02	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:56	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:55	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:47	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:46	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:45	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:44	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 02:32	olliecrow	CPPg++13.3.0	Success	21,491
Feb 15, 2026 02:27	olliecrow	CPPclang++18.1.3	Success	18,175
Feb 15, 2026 02:13	olliecrow	CPPclang++18.1.3	Success	2,876,319
Feb 15, 2026 01:56	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 01:55	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 01:54	zielaj	CPPclang++18.1.3	Error
Feb 15, 2026 01:52	zielaj	CPPclang++18.1.3	Error

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