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	1:20.1.2-0ubuntu1~24.04.2	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.
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	3.0.13-0ubuntu3.9	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
May 5, 2026 07:41	olliecrow	ZIG0.14.0	Success	14,642
May 5, 2026 02:29	olliecrow	CPPclang++18.1.3	Success	2,967
May 5, 2026 02:25	olliecrow	RUSTrust-1.95.0	Success	3,115
May 5, 2026 00:50	olliecrow	RUSTrust-1.95.0	Success	2,801
May 5, 2026 00:40	olliecrow	CPPclang++18.1.3	Success	2,926
May 4, 2026 23:39	olliecrow	RUSTrust-1.95.0	Success	2,830
May 4, 2026 23:32	olliecrow	CPPg++14.2.0	Success	3,460
May 4, 2026 23:22	olliecrow	RUSTrust-1.95.0	Success	2,844
May 4, 2026 23:16	olliecrow	CPPclang++18.1.3	Success	3,069
May 4, 2026 23:13	olliecrow	RUSTrust-1.95.0	Success	2,825
May 4, 2026 22:57	olliecrow	CPPclang++18.1.3	Error
May 4, 2026 22:52	olliecrow	CPPclang++18.1.3	Error
May 4, 2026 22:22	olliecrow	ZIG0.15.1	Error
May 4, 2026 22:13	olliecrow	ZIG0.15.1	Success	30,846
May 1, 2026 09:05	Dominique Garmier	ZIG0.15.1	Success	3,987
May 1, 2026 09:03	Dominique Garmier	RUSTrust-1.95.0	Success	4,256
May 1, 2026 01:24	olliecrow	CSHARP9.0.15	Success	3,368
May 1, 2026 00:54	olliecrow	RUSTrust-1.95.0	Success	2,811
May 1, 2026 00:34	olliecrow	CPPclang++18.1.3	Success	2,868
Apr 30, 2026 20:37	olliecrow	CSHARP9.0.15	Error
Apr 30, 2026 20:34	olliecrow	CSHARP9.0.14	Error
Apr 30, 2026 19:56	olliecrow	RUSTrust-1.95.0	Success	2,819
Apr 30, 2026 19:28	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,651
Apr 30, 2026 19:24	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,563
Apr 30, 2026 19:15	Charles Cabergs	CPPg++13.3.0	Success	3,272
Apr 30, 2026 18:57	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,640
Apr 30, 2026 16:35	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	9,642
Apr 30, 2026 05:19	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,523+1.31 RP
Apr 30, 2026 05:12	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	11,081
Apr 30, 2026 05:09	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	9,049
Apr 30, 2026 04:28	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,536
Apr 30, 2026 04:15	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,528
Apr 30, 2026 04:00	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,527+0.98 RP
Apr 30, 2026 03:41	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 30, 2026 03:06	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 30, 2026 03:01	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 30, 2026 02:59	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 30, 2026 02:49	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	7,143
Apr 30, 2026 00:57	Charles Cabergs	CPPg++13.3.0	Success	3,252
Apr 29, 2026 23:05	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	6,059
Apr 29, 2026 22:56	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	7,580
Apr 29, 2026 22:32	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,530+25.47 RP
Apr 29, 2026 22:30	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:25	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:22	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:21	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:17	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:15	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:10	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,667
Apr 29, 2026 22:06	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 22:04	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 21:41	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	11,465
Apr 29, 2026 20:35	Victor Mercklé	GOgo1.26.2	Success	2,767+298.37 RP
Apr 29, 2026 20:34	Victor Mercklé	CSHARP10.0.7	Success	2,706+570.49 RP
Apr 29, 2026 20:34	Victor Mercklé	RUSTrust-1.95.0	Success	2,772+138.89 RP
Apr 29, 2026 20:31	Victor Mercklé	ZIG0.16.0	Success	2,680+158.86 RP
Apr 29, 2026 20:29	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,609+82.17 RP
Apr 29, 2026 20:06	Victor Mercklé	CPPg++14.2.0	Success	2,682+168.50 RP
Apr 29, 2026 19:47	Charles Cabergs	CPPg++13.3.0	Success	3,384
Apr 29, 2026 19:25	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	6,008
Apr 29, 2026 19:24	olliecrow	ZIG0.15.1	Success	2,797+479.86 RP
Apr 29, 2026 19:13	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,957
Apr 29, 2026 19:02	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,880+8.92 RP
Apr 29, 2026 18:50	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	6,002
Apr 29, 2026 18:21	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	5,911+1'262.26 RP
Apr 29, 2026 18:02	Victor Mercklé	CPPg++14.2.0	Success	2,744+13.26 RP
Apr 29, 2026 17:21	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	40,682
Apr 29, 2026 17:17	Victor Mercklé	CPPg++14.2.0	Success	2,749+94.04 RP
Apr 29, 2026 17:14	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	23,283+434.50 RP
Apr 29, 2026 17:06	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 16:59	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 16:02	Victor Mercklé	CPPg++14.2.0	Success	2,785+256.12 RP
Apr 29, 2026 15:27	Victor Mercklé	CPPg++14.2.0	Success	2,975
Apr 29, 2026 15:20	Victor Mercklé	CPPg++14.2.0	Success	2,888+192.30 RP
Apr 29, 2026 13:55	TudyM	CPPg++14.2.0	Success	7,631
Apr 29, 2026 13:50	TudyM	CPPg++14.2.0	Success	7,483+25.57 RP
Apr 29, 2026 13:46	TudyM	CPPg++14.2.0	Success	7,763
Apr 29, 2026 13:42	TudyM	CPPg++14.2.0	Success	7,630
Apr 29, 2026 13:37	TudyM	CPPg++14.2.0	Success	7,777
Apr 29, 2026 13:33	TudyM	CPPg++14.2.0	Success	7,754+5.00 RP
Apr 29, 2026 11:26	Charles Cabergs	CPPg++13.3.0	Success	3,272
Apr 29, 2026 10:59	Victor Mercklé	CPPg++14.2.0	Error
Apr 29, 2026 10:57	Victor Mercklé	CPPg++14.2.0	Error
Apr 29, 2026 10:16	Victor Mercklé	CPPg++14.2.0	Success	3,428
Apr 29, 2026 08:55	olliecrow	CSHARP9.0.15	Success	4,123
Apr 29, 2026 08:19	Victor Mercklé	CPPg++14.2.0	Error
Apr 29, 2026 07:39	Victor Mercklé	CPPg++14.2.0	Error
Apr 29, 2026 06:14	Charles Cabergs	CPPg++13.3.0	Success	3,451
Apr 29, 2026 03:46	Charles Cabergs	CPPg++14.2.0	Success	3,294+5.00 RP
Apr 29, 2026 01:40	Victor Mercklé	CPPg++14.2.0	Success	3,062
Apr 29, 2026 01:35	olliecrow	ZIG0.15.1	Success	3,484+5.00 RP
Apr 29, 2026 01:33	Victor Mercklé	CPPg++14.2.0	Success	2,991
Apr 29, 2026 01:26	Victor Mercklé	CPPg++14.2.0	Success	3,013
Apr 29, 2026 01:19	Victor Mercklé	CPPg++14.2.0	Success	3,011
Apr 29, 2026 01:12	Victor Mercklé	CPPg++14.2.0	Success	3,007
Apr 29, 2026 01:05	Victor Mercklé	CPPg++14.2.0	Success	3,087
Apr 29, 2026 00:58	Victor Mercklé	CPPg++14.2.0	Success	2,982
Apr 29, 2026 00:51	Victor Mercklé	CPPg++14.2.0	Success	2,978+54.36 RP
Apr 29, 2026 00:44	Victor Mercklé	CPPg++14.2.0	Error
Apr 29, 2026 00:37	Victor Mercklé	CPPg++14.2.0	Success	3,483

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