Fizz Buzz

Perform FizzBuzz on a stream of binary integers as fast as possible.

Input: 30 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: For each number n, print one line:

FizzBuzz if n is divisible by both 3 and 5
Fizz if n is divisible by 3
Buzz if n is divisible by 5
n as a decimal string otherwise

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
Aug 4, 2026 01:05	Victor Mercklé	ZIG0.16.0	Success	1,903+336.02 RP
Aug 4, 2026 00:52	Victor Mercklé	CSHARP10.0.7	Success	1,977+213.21 RP
Aug 4, 2026 00:41	Victor Mercklé	RUSTrust-1.95.0	Success	1,898+369.14 RP
Aug 4, 2026 00:31	Victor Mercklé	GOgo1.26.2	Success	1,950+285.59 RP
Aug 1, 2026 07:53	Victor Mercklé	CPPg++14.2.0	Success	1,892+61.10 RP
Aug 1, 2026 07:47	Victor Mercklé	CPPg++14.2.0	Success	2,559
Aug 1, 2026 07:42	Victor Mercklé	CPPg++14.2.0	Success	1,903+49.48 RP
Aug 1, 2026 07:37	Victor Mercklé	CPPg++14.2.0	Success	1,912+500.10 RP
Aug 1, 2026 07:31	Victor Mercklé	CPPg++14.2.0	Success	2,153
Aug 1, 2026 01:42	Victor Mercklé	CPPg++14.2.0	Success	2,031
Aug 1, 2026 01:37	Victor Mercklé	CPPg++14.2.0	Success	2,015
Aug 1, 2026 01:32	Victor Mercklé	CPPg++14.2.0	Success	2,038
Aug 1, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	2,931
Jul 31, 2026 06:15	Tony	CPPg++10.5.0	Success	39,032+256.20 RP
Jul 30, 2026 18:32	Andrew Tsibin	RUSTrust-1.95.0	Success	2,566+37.60 RP
Jul 30, 2026 18:28	Andrew Tsibin	RUSTrust-1.95.0	Error
Jul 30, 2026 18:21	Andrew Tsibin	RUSTrust-1.95.0	Success	2,665
Jul 30, 2026 18:15	Andrew Tsibin	RUSTrust-1.95.0	Success	2,751
Jul 30, 2026 18:05	Andrew Tsibin	RUSTrust-1.95.0	Success	2,591+3'859.51 RP
Jul 30, 2026 10:10	Kevin Heavey	CPPg++14.2.0	Success	2,996
Jul 30, 2026 09:46	Kevin Heavey	CPPg++14.2.0	Success	3,260
Jul 30, 2026 09:32	Kevin Heavey	CPPg++14.2.0	Error
Jul 30, 2026 09:25	Kevin Heavey	CPPg++14.2.0	Success	3,030
Jul 30, 2026 09:16	Kevin Heavey	CPPg++14.2.0	Success	4,480
Jul 30, 2026 09:12	Kevin Heavey	CPPg++14.2.0	Success	3,084
Jul 30, 2026 09:00	Kevin Heavey	CPPg++14.2.0	Success	4,408
Jul 30, 2026 08:52	Kevin Heavey	CPPg++14.2.0	Error
Jul 30, 2026 07:20	Kevin Heavey	CPPg++14.2.0	Error
Jul 30, 2026 06:55	Kevin Heavey	CPPg++14.2.0	Error
Jul 30, 2026 06:53	Kevin Heavey	CPPg++14.2.0	Error
Jul 30, 2026 02:27	Kevin Heavey	CPPg++14.2.0	Success	15,454
Jul 30, 2026 01:02	Kevin Heavey	CPPg++14.2.0	Success	3,151
Jul 30, 2026 00:36	Kevin Heavey	CPPg++14.2.0	Success	2,952
Jul 30, 2026 00:31	Kevin Heavey	CPPg++14.2.0	Success	2,937
Jul 30, 2026 00:11	Kevin Heavey	CPPg++14.2.0	Success	2,844+30.64 RP
Jul 30, 2026 00:06	Kevin Heavey	CPPg++14.2.0	Success	2,869+59.70 RP
Jul 30, 2026 00:01	Kevin Heavey	CPPg++14.2.0	Success	3,034
Jul 29, 2026 23:55	Kevin Heavey	CPPg++14.2.0	Success	2,919+187.49 RP
Jul 29, 2026 23:54	Kevin Heavey	CPPg++14.2.0	Success	3,192
Jul 29, 2026 23:10	Kevin Heavey	CPPg++14.2.0	Success	3,088+39.37 RP
Jul 29, 2026 23:07	Kevin Heavey	CPPg++14.2.0	Success	3,126+36.42 RP
Jul 29, 2026 23:00	Kevin Heavey	CPPg++14.2.0	Success	3,162+230.00 RP
Jul 29, 2026 22:57	Kevin Heavey	CPPg++14.2.0	Success	3,410+39.87 RP
Jul 29, 2026 22:50	Kevin Heavey	CPPg++14.2.0	Success	3,523
Jul 29, 2026 22:32	Kevin Heavey	CPPg++14.2.0	Success	3,466
Jul 29, 2026 22:22	Kevin Heavey	CPPg++14.2.0	Success	3,486
Jul 29, 2026 14:35	Kevin Heavey	CPPg++14.2.0	Success	3,457+3.34 RP
Jul 29, 2026 14:08	Kevin Heavey	CPPg++14.2.0	Success	3,832
Jul 29, 2026 12:39	Kevin Heavey	CPPg++14.2.0	Success	3,461+58.88 RP
Jul 29, 2026 12:30	Kevin Heavey	CPPg++14.2.0	Success	3,537
Jul 29, 2026 11:55	Kevin Heavey	CPPg++14.2.0	Success	3,795
Jul 29, 2026 11:49	Kevin Heavey	CPPg++14.2.0	Success	3,536
Jul 29, 2026 11:39	Kevin Heavey	CPPg++14.2.0	Success	3,562
Jul 29, 2026 10:33	Kevin Heavey	CPPg++14.2.0	Success	3,533+70.31 RP
Jul 29, 2026 10:30	Kevin Heavey	CPPg++14.2.0	Success	3,623+28.65 RP
Jul 29, 2026 10:08	Kevin Heavey	CPPg++14.2.0	Success	3,989
Jul 29, 2026 10:03	Kevin Heavey	CPPg++14.2.0	Success	4,259
Jul 29, 2026 09:17	Kevin Heavey	CPPg++14.2.0	Success	3,661+2'146.05 RP
Jul 29, 2026 08:39	Kevin Heavey	CPPclang++20.1.2	Success	17,081+585.45 RP
Jul 14, 2026 01:40	Victor Mercklé	CPPg++14.2.0	Success	3,225
Jul 14, 2026 01:35	Victor Mercklé	CPPg++14.2.0	Success	2,013
Jul 14, 2026 01:30	Victor Mercklé	CPPg++14.2.0	Success	2,009
Jul 14, 2026 01:25	Victor Mercklé	CPPg++14.2.0	Success	2,017
Jul 14, 2026 01:20	Victor Mercklé	CPPg++14.2.0	Success	2,008+73.86 RP
Jul 10, 2026 18:38	Genos0	CPPg++10.5.0	Success	39,297+254.47 RP
Jul 8, 2026 00:45	Victor Mercklé	CPPg++14.2.0	Success	2,023+4.88 RP
Jul 7, 2026 22:13	Victor Mercklé	CSHARP10.0.7	Success	2,064+130.20 RP
Jul 7, 2026 20:29	Victor Mercklé	GOgo1.26.2	Success	2,065+215.13 RP
Jul 7, 2026 18:49	Victor Mercklé	GOgo1.26.2	Success	2,173
Jul 7, 2026 17:20	Victor Mercklé	ZIG0.16.0	Success	2,033+215.17 RP
Jul 7, 2026 08:10	Victor Mercklé	CSHARP10.0.7	Success	2,121+78.69 RP
Jul 7, 2026 07:57	Victor Mercklé	RUSTrust-1.95.0	Success	2,041+182.58 RP
Jul 7, 2026 07:16	Victor Mercklé	GOgo1.26.2	Success	3,618
Jul 6, 2026 22:01	Victor Mercklé	CPPg++14.2.0	Success	2,027
Jul 6, 2026 21:38	Victor Mercklé	CPPg++14.2.0	Success	2,062
Jul 6, 2026 21:16	Victor Mercklé	CPPg++14.2.0	Success	2,039
Jul 6, 2026 21:03	Victor Mercklé	CPPg++14.2.0	Success	2,026
Jul 6, 2026 20:54	Victor Mercklé	CPPg++14.2.0	Success	2,026
Jul 6, 2026 20:48	Victor Mercklé	CPPg++14.2.0	Success	2,049
Jul 6, 2026 20:37	Victor Mercklé	CPPg++14.2.0	Success	2,024+43.74 RP
Jul 6, 2026 20:26	Victor Mercklé	CPPg++14.2.0	Success	2,034
Jul 6, 2026 20:21	Victor Mercklé	CPPg++14.2.0	Success	2,033+110.06 RP
Jul 6, 2026 20:16	Victor Mercklé	CPPg++14.2.0	Success	2,056+257.92 RP
Jul 3, 2026 08:50	Victor Mercklé	CPPg++14.2.0	Success	2,122
Jul 3, 2026 02:43	f0xeri	CPPg++10.5.0	Success	39,023+256.26 RP
Jul 2, 2026 07:17	A_Shaman	CPPg++10.5.0	Success	8,964
Jul 2, 2026 07:07	A_Shaman	CPPg++10.5.0	Success	7,678
Jul 2, 2026 07:00	A_Shaman	CPPg++10.5.0	Success	6,618
Jul 2, 2026 06:51	A_Shaman	CPPg++10.5.0	Success	6,895
Jul 2, 2026 06:43	A_Shaman	CPPg++10.5.0	Success	6,820
Jul 2, 2026 06:35	A_Shaman	CPPg++10.5.0	Success	6,479
Jul 2, 2026 06:27	A_Shaman	CPPg++10.5.0	Success	6,443
Jul 2, 2026 06:18	A_Shaman	CPPg++10.5.0	Success	7,152
Jul 2, 2026 06:08	A_Shaman	CPPg++10.5.0	Success	7,737
Jul 2, 2026 05:56	A_Shaman	CPPg++10.5.0	Success	6,385
Jun 30, 2026 17:22	Victor Mercklé	CPPg++14.2.0	Success	2,125
Jun 30, 2026 17:06	Victor Mercklé	CPPg++14.2.0	Success	2,148
Jun 30, 2026 16:51	Victor Mercklé	CPPg++14.2.0	Success	2,198
Jun 30, 2026 16:45	Victor Mercklé	CPPg++14.2.0	Success	2,430
Jun 30, 2026 16:40	Victor Mercklé	CPPg++14.2.0	Success	2,599

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