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
Jan 16, 2026 03:43	Josu San Martin	CPPg++13.3.0	Success	54,465
Jan 16, 2026 03:39	Josu San Martin	CPPg++13.3.0	Success	54,676
Jan 16, 2026 03:35	Josu San Martin	CPPg++13.3.0	Success	50,519+25.89 RP
Jan 16, 2026 03:22	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 03:17	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 03:16	Josu San Martin	CPPg++13.3.0	Success	62,513
Jan 16, 2026 03:13	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 03:02	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 03:02	Josu San Martin	CPPg++13.3.0	Success	62,351
Jan 16, 2026 02:59	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 02:52	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 02:50	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 02:49	Josu San Martin	CPPg++13.3.0	Error
Jan 16, 2026 02:47	zielaj	CPPclang++18.1.3	Error
Jan 16, 2026 02:46	zielaj	CPPclang++18.1.3	Error
Jan 16, 2026 02:44	Josu San Martin	CPPg++13.3.0	Success	65,902
Jan 16, 2026 02:37	zielaj	CPPclang++18.1.3	Error
Jan 16, 2026 02:12	zielaj	CPPclang++18.1.3	Success	3,577
Jan 16, 2026 01:12	zielaj	CPPclang++18.1.3	Error
Jan 15, 2026 23:08	zielaj	CPPclang++18.1.3	Error
Jan 14, 2026 02:48	vahook	CPPg++13.3.0	Success	4,682
Jan 14, 2026 02:44	vahook	CPPg++13.3.0	Success	4,655+28.69 RP
Jan 14, 2026 01:51	vahook	CPPg++13.3.0	Error
Jan 14, 2026 01:51	vahook	CPPg++13.3.0	Success	4,718+8.06 RP
Jan 14, 2026 00:29	vahook	CPPg++13.3.0	Success	4,798
Jan 14, 2026 00:06	vahook	CPPg++13.3.0	Success	4,777
Jan 13, 2026 23:44	vahook	CPPg++13.3.0	Success	4,736
Jan 13, 2026 23:44	vahook	CPPg++13.3.0	Success	4,736+10.20 RP
Jan 13, 2026 23:42	vahook	CPPg++13.3.0	Success	4,759+13.16 RP
Jan 13, 2026 23:41	vahook	CPPg++13.3.0	Success	4,789+9.55 RP
Jan 13, 2026 23:41	vahook	CPPg++13.3.0	Error
Jan 13, 2026 22:51	vahook	CPPg++13.3.0	Success	4,811+6.03 RP
Jan 13, 2026 22:50	vahook	CPPg++13.3.0	Success	4,905
Jan 13, 2026 22:26	vahook	CPPg++13.3.0	Success	4,825+30.89 RP
Jan 13, 2026 22:10	vahook	CPPg++13.3.0	Success	4,898+32.41 RP
Jan 13, 2026 20:41	vahook	CPPg++13.3.0	Success	4,977+2.02 RP
Jan 13, 2026 19:10	vahook	CPPg++13.3.0	Success	5,002
Jan 13, 2026 19:05	vahook	CPPg++13.3.0	Success	5,002
Jan 13, 2026 18:57	vahook	CPPg++13.3.0	Success	4,982+0.81 RP
Jan 13, 2026 03:42	vahook	CPPg++13.3.0	Success	4,984+10.41 RP
Jan 13, 2026 03:26	vahook	CPPg++13.3.0	Success	5,010+33.30 RP
Jan 12, 2026 20:48	vahook	CPPg++13.3.0	Success	5,097
Jan 12, 2026 18:07	vahook	CPPg++13.3.0	Success	5,095+17.56 RP
Jan 12, 2026 17:34	vahook	CPPg++13.3.0	Success	5,157
Jan 12, 2026 16:48	vahook	CPPg++13.3.0	Success	5,157
Jan 12, 2026 16:18	vahook	CPPg++13.3.0	Success	5,141+53.36 RP
Jan 12, 2026 16:17	vahook	CPPg++13.3.0	Success	5,409
Jan 12, 2026 16:15	vahook	CPPg++13.3.0	Success	5,293
Jan 12, 2026 16:11	vahook	CPPg++13.3.0	Success	5,307
Jan 12, 2026 16:02	vahook	CPPg++13.3.0	Success	5,286+4.28 RP
Jan 12, 2026 15:55	vahook	CPPg++13.3.0	Success	5,298+24.61 RP
Jan 12, 2026 15:50	vahook	CPPg++13.3.0	Success	5,368+21.95 RP
Jan 12, 2026 15:34	vahook	CPPg++13.3.0	Success	5,432+53.31 RP
Jan 12, 2026 05:28	vahook	CPPg++13.3.0	Success	5,602
Jan 12, 2026 04:41	vahook	CPPg++13.3.0	Success	5,776
Jan 12, 2026 04:34	vahook	CPPg++13.3.0	Success	5,600
Jan 11, 2026 05:01	vahook	CPPg++13.3.0	Success	5,600
Jan 11, 2026 04:46	vahook	CPPg++13.3.0	Success	5,594+1.28 RP
Jan 9, 2026 21:43	vahook	CPPg++13.3.0	Success	5,634
Jan 9, 2026 21:41	vahook	CPPg++13.3.0	Success	5,598+1.59 RP
Jan 9, 2026 21:32	vahook	CPPg++13.3.0	Success	5,603+72.72 RP
Jan 1, 2026 05:13	Keefe	CPPg++13.3.0	Error
Jan 1, 2026 05:10	Keefe	CPPg++13.3.0	Error
Dec 27, 2025 19:10	Josu San Martin	RUSTrust-1.92.0	Success	58,120+5.64 RP
Dec 27, 2025 18:49	Josu San Martin	RUSTrust-1.92.0	Success	60,090+31.16 RP
Dec 27, 2025 18:40	Josu San Martin	RUSTrust-1.92.0	Success	73,933+15.69 RP
Dec 27, 2025 16:11	Josu San Martin	RUSTrust-1.92.0	Success	84,294
Dec 27, 2025 16:11	Josu San Martin	RUSTrust-1.92.0	Success	83,635+78.41 RP
Dec 27, 2025 16:11	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 16:10	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 16:07	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 15:57	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 15:51	Josu San Martin	RUSTrust-1.92.0	Success	285,349
Dec 27, 2025 15:51	Josu San Martin	RUSTrust-1.92.0	Success	287,235
Dec 27, 2025 15:40	Josu San Martin	RUSTrust-1.92.0	Success	829,198
Dec 27, 2025 15:26	Josu San Martin	RUSTrust-1.92.0	Success	242,945+2.33 RP
Dec 27, 2025 15:26	Josu San Martin	RUSTrust-1.92.0	Success	257,491+38.84 RP
Dec 26, 2025 00:56	vahook	CPPg++13.3.0	Success	5,923
Dec 26, 2025 00:53	vahook	CPPg++13.3.0	Success	5,991
Dec 26, 2025 00:52	vahook	CPPg++13.3.0	Success	5,841+10.20 RP
Dec 26, 2025 00:50	vahook	CPPg++13.3.0	Success	6,342
Dec 26, 2025 00:48	vahook	CPPg++13.3.0	Success	5,889
Dec 26, 2025 00:48	vahook	CPPg++13.3.0	Success	5,892
Dec 26, 2025 00:46	vahook	CPPg++13.3.0	Success	5,939
Dec 26, 2025 00:39	vahook	CPPg++13.3.0	Success	5,963
Dec 26, 2025 00:38	vahook	CPPg++13.3.0	Success	6,011
Dec 26, 2025 00:37	vahook	CPPg++13.3.0	Success	5,877
Dec 26, 2025 00:37	vahook	CPPg++13.3.0	Success	5,905
Dec 26, 2025 00:36	vahook	CPPg++13.3.0	Success	6,058
Dec 26, 2025 00:35	vahook	CPPg++13.3.0	Error	+386.91 RP
Dec 26, 2025 00:18	vahook	CPPg++13.3.0	Error
Dec 26, 2025 00:17	vahook	CPPg++13.3.0	Success	7,677
Dec 26, 2025 00:10	vahook	CPPg++13.3.0	Success	7,605+42.50 RP
Dec 24, 2025 21:08	Yehor Bondar	CPPg++13.3.0	Success	604,372
Dec 24, 2025 19:27	Yehor Bondar	CPPclang++18.1.3	Success	571,988+14.56 RP
Dec 23, 2025 14:02	Yehor Bondar	GOgo1.25.5	Success	8,762,618
Dec 23, 2025 13:40	Yehor Bondar	GOgo1.25.5	Success	19,331,877
Dec 21, 2025 10:44	Ahmed Mhedhbi	CPPg++13.3.0	Success	825,326+12.12 RP
Dec 21, 2025 10:43	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 10:38	Ahmed Mhedhbi	CPPg++13.3.0	Error

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