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 13, 2026 15:49	Aleksei Shahoika	CPPclang++18.1.3	Success	3,971
May 13, 2026 09:38	Aleksei Shahoika	CPPclang++18.1.3	Success	3,831
May 12, 2026 23:40	Aleksei Shahoika	CPPclang++18.1.3	Success	5,656
May 12, 2026 23:17	Aleksei Shahoika	CPPclang++18.1.3	Success	5,551
May 12, 2026 22:36	Aleksei Shahoika	CPPclang++18.1.3	Success	4,165
May 12, 2026 22:32	Aleksei Shahoika	CPPclang++18.1.3	Success	3,788
May 12, 2026 22:25	Aleksei Shahoika	CPPclang++18.1.3	Success	3,786+178.26 RP
May 12, 2026 22:17	Aleksei Shahoika	CPPclang++18.1.3	Success	4,060+65.55 RP
May 12, 2026 21:49	Aleksei Shahoika	CPPclang++18.1.3	Success	4,464
May 12, 2026 21:37	Aleksei Shahoika	CPPclang++18.1.3	Success	4,461
May 12, 2026 21:20	Aleksei Shahoika	CPPclang++18.1.3	Success	4,188
May 12, 2026 21:12	Aleksei Shahoika	CPPclang++18.1.3	Success	4,394
May 12, 2026 20:06	Aleksei Shahoika	CPPclang++18.1.3	Success	4,171+50.64 RP
May 12, 2026 20:03	Aleksei Shahoika	CPPclang++18.1.3	Error
May 12, 2026 19:37	Aleksei Shahoika	CPPclang++18.1.3	Success	4,776
May 12, 2026 19:32	Aleksei Shahoika	CPPclang++18.1.3	Success	4,617
May 12, 2026 19:19	Aleksei Shahoika	CPPclang++18.1.3	Success	4,440
May 12, 2026 19:14	Aleksei Shahoika	CPPclang++18.1.3	Success	4,499
May 12, 2026 18:53	Aleksei Shahoika	CPPclang++18.1.3	Success	4,555
May 12, 2026 09:42	Aleksei Shahoika	CPPclang++18.1.3	Success	4,551
May 12, 2026 09:33	Aleksei Shahoika	CPPclang++18.1.3	Success	4,698
May 12, 2026 09:22	Aleksei Shahoika	CPPclang++18.1.3	Success	6,348
May 12, 2026 09:13	Aleksei Shahoika	CPPclang++18.1.3	Success	4,261+121.18 RP
May 12, 2026 00:30	Aleksei Shahoika	CPPclang++18.1.3	Success	4,996
May 12, 2026 00:21	Aleksei Shahoika	CPPclang++18.1.3	Success	4,847
May 12, 2026 00:11	Aleksei Shahoika	CPPclang++18.1.3	Success	4,493+196.05 RP
May 12, 2026 00:01	Aleksei Shahoika	CPPclang++18.1.3	Success	5,438
May 11, 2026 23:53	Aleksei Shahoika	CPPclang++18.1.3	Success	5,729
May 11, 2026 23:50	Aleksei Shahoika	CPPclang++18.1.3	Success	5,743
May 7, 2026 06:40	Victor Mercklé	CPPg++14.2.0	Error
May 6, 2026 23:25	olliecrow	CPPclang++18.1.3	Success	2,888
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

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