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
Apr 22, 2026 17:57	olliecrow	GOgo1.26.2	Success	6,534
Apr 22, 2026 16:58	olliecrow	CPPclang++18.1.3	Success	12,786
Apr 22, 2026 14:19	olliecrow	ZIG0.15.1	Success	33,093
Apr 22, 2026 13:52	olliecrow	ZIG0.15.1	Error
Apr 22, 2026 13:25	olliecrow	CSHARP9.0.14	Success	5,909
Apr 22, 2026 13:17	Ben	CPPclang++20.1.2	Success	6,398+1'562.99 RP
Apr 22, 2026 08:07	olliecrow	CPPclang++18.1.3	Success	3,152+25.96 RP
Apr 22, 2026 08:04	olliecrow	CPPg++10.5.0	Success	4,267
Apr 22, 2026 02:40	Taylor Dettling	RUSTrust-1.94.1	Success	3,023
Apr 22, 2026 01:53	Taylor Dettling	RUSTrust-1.94.1	Success	2,886+189.20 RP
Apr 22, 2026 00:05	Taylor Dettling	RUSTrust-1.80.0	Success	3,289
Apr 21, 2026 23:56	Taylor Dettling	RUSTrust-1.94.1	Success	2,973
Apr 21, 2026 23:54	Taylor Dettling	RUSTrust-1.95.0	Success	3,004
Apr 21, 2026 19:16	olliecrow	CPPclang++18.1.3	Success	3,178+127.31 RP
Apr 21, 2026 16:58	Charles Cabergs	CPPg++13.3.0	Success	4,418+11.22 RP
Apr 21, 2026 16:09	olliecrow	CPPg++10.5.0	Success	4,164
Apr 21, 2026 15:06	Charles Cabergs	CPPg++13.3.0	Success	4,440+103.56 RP
Apr 21, 2026 02:45	Charles Cabergs	CPPg++13.3.0	Success	4,685
Apr 21, 2026 02:19	olliecrow	CPPg++10.5.0	Success	7,693
Apr 21, 2026 01:25	Charles Cabergs	CPPg++13.3.0	Success	4,654+184.05 RP
Apr 20, 2026 20:07	Charles Cabergs	CPPg++13.3.0	Error
Apr 20, 2026 19:09	Tim Zhamoidin	CPPg++13.3.0	Error
Apr 20, 2026 19:01	Tim Zhamoidin	CPPg++10.5.0	Error
Apr 20, 2026 18:57	Ben	CPPg++13.3.0	Error
Apr 20, 2026 18:57	Ben	CPPclang++18.1.3	Error
Apr 20, 2026 18:57	Ben	CPPclang++20.1.2	Error
Apr 20, 2026 18:42	Ben	CPPg++13.3.0	Error
Apr 20, 2026 18:42	Ben	CPPclang++20.1.2	Error
Apr 20, 2026 18:42	Ben	CPPclang++18.1.3	Error
Apr 20, 2026 18:17	olliecrow	CPPg++10.5.0	Error
Apr 20, 2026 18:03	Charles Cabergs	CPPg++13.3.0	Error
Apr 20, 2026 16:31	Ben	CPPg++14.2.0	Error
Apr 20, 2026 16:31	Ben	CPPg++13.3.0	Error
Apr 20, 2026 16:31	Ben	CPPclang++18.1.3	Error
Apr 20, 2026 16:31	Ben	CPPclang++20.1.2	Error
Apr 20, 2026 15:55	Dominique Garmier	CPPclang++18.1.3	Error
Apr 20, 2026 15:53	Dominique Garmier	CPPclang++18.1.3	Error
Apr 20, 2026 15:10	olliecrow	ZIG0.14.0	Error
Apr 20, 2026 15:08	olliecrow	RUSTrust-1.94.0	Error
Apr 20, 2026 15:03	olliecrow	CPPg++13.3.0	Error
Apr 20, 2026 12:21	Dominique Garmier	CPPclang++18.1.3	Error
Apr 19, 2026 09:16	Charles Cabergs	CPPg++13.3.0	Success	5,090+91.63 RP
Apr 19, 2026 08:21	olliecrow	CPPclang++18.1.3	Success	4,013
Apr 19, 2026 08:18	olliecrow	CPPclang++18.1.3	Success	3,972
Apr 19, 2026 07:24	Charles Cabergs	CPPg++13.3.0	Success	5,339+31.05 RP
Apr 19, 2026 05:01	Charles Cabergs	CPPg++13.3.0	Success	5,518
Apr 19, 2026 02:56	Charles Cabergs	CPPg++13.3.0	Success	5,457
Apr 19, 2026 02:25	olliecrow	CPPclang++18.1.3	Success	4,026
Apr 19, 2026 02:22	olliecrow	CPPclang++18.1.3	Success	3,532
Apr 19, 2026 00:34	Charles Cabergs	CPPg++13.3.0	Success	5,531
Apr 19, 2026 00:26	olliecrow	ZIG0.14.0	Success	3,312+246.17 RP
Apr 19, 2026 00:19	olliecrow	ZIG0.14.0	Success	16,356
Apr 19, 2026 00:02	olliecrow	RUSTrust-1.94.0	Success	3,927
Apr 18, 2026 23:59	olliecrow	RUSTrust-1.94.0	Success	51,698
Apr 18, 2026 23:28	olliecrow	GOgo1.26.2	Success	8,267
Apr 18, 2026 23:28	olliecrow	GOgo1.26.1	Success	5,020
Apr 18, 2026 23:27	olliecrow	GOgo1.26.2	Success	9,742
Apr 18, 2026 22:46	olliecrow	CSHARP9.0.14	Success	8,954
Apr 18, 2026 22:19	Charles Cabergs	CPPg++13.3.0	Success	5,429+1.02 RP
Apr 18, 2026 20:03	Charles Cabergs	CPPg++13.3.0	Success	5,632
Apr 18, 2026 18:01	Charles Cabergs	CPPg++13.3.0	Success	5,625
Apr 18, 2026 15:47	Charles Cabergs	CPPg++13.3.0	Success	5,439
Apr 18, 2026 11:03	Charles Cabergs	CPPg++13.3.0	Success	5,432+307.20 RP
Apr 18, 2026 02:54	Charles Cabergs	CPPg++13.3.0	Success	6,520+564.09 RP
Apr 17, 2026 23:04	Charles Cabergs	CPPg++13.3.0	Success	10,313+57.24 RP
Apr 17, 2026 19:00	Charles Cabergs	CPPg++13.3.0	Success	10,960+912.41 RP
Apr 17, 2026 08:29	limanjun99	CPPg++13.3.0	Success	3,269+26.90 RP
Apr 17, 2026 08:21	limanjun99	CPPg++13.3.0	Success	3,299
Apr 17, 2026 08:16	limanjun99	CPPg++13.3.0	Success	3,298+15.55 RP
Apr 17, 2026 08:08	limanjun99	CPPg++13.3.0	Success	3,315+17.19 RP
Apr 17, 2026 08:01	limanjun99	CPPg++13.3.0	Success	3,334+99.17 RP
Apr 17, 2026 07:55	limanjun99	CPPg++13.3.0	Success	3,769
Apr 17, 2026 07:40	limanjun99	CPPg++13.3.0	Success	3,448+105.37 RP
Apr 17, 2026 07:30	limanjun99	CPPg++13.3.0	Success	3,578+118.20 RP
Apr 17, 2026 07:20	limanjun99	CPPg++13.3.0	Success	3,879
Apr 17, 2026 07:17	limanjun99	CPPg++13.3.0	Success	3,818
Apr 17, 2026 07:16	limanjun99	CPPg++13.3.0	Success	19,892
Apr 17, 2026 07:04	limanjun99	CPPg++13.3.0	Success	3,757
Apr 17, 2026 06:59	limanjun99	CPPg++13.3.0	Success	3,736+19.91 RP
Apr 17, 2026 06:44	limanjun99	CPPg++13.3.0	Success	3,765
Apr 17, 2026 06:40	limanjun99	CPPg++13.3.0	Success	3,764+479.05 RP
Apr 17, 2026 06:35	limanjun99	CPPg++13.3.0	Success	4,594
Apr 17, 2026 06:23	limanjun99	CPPg++13.3.0	Success	4,592+17.87 RP
Apr 17, 2026 06:21	limanjun99	CPPg++13.3.0	Success	8,100
Apr 17, 2026 06:13	limanjun99	CPPg++13.3.0	Error
Apr 16, 2026 23:20	olliecrow	CSHARP9.0.14	Success	5,901
Apr 16, 2026 23:11	olliecrow	ZIG0.14.0	Success	15,066
Apr 16, 2026 22:18	olliecrow	RUSTrust-1.94.0	Success	4,428
Apr 16, 2026 22:08	olliecrow	CPPclang++18.1.3	Success	8,088
Apr 16, 2026 21:49	olliecrow	GOgo1.26.1	Success	8,290
Apr 16, 2026 10:20	limanjun99	CPPg++13.3.0	Error
Apr 15, 2026 06:54	olliecrow	CPPclang++18.1.3	Success	3,606+92.91 RP
Apr 15, 2026 05:55	olliecrow	CPPclang++18.1.3	Success	7,377
Apr 15, 2026 05:10	olliecrow	CPPclang++18.1.3	Success	5,187
Apr 9, 2026 18:31	olliecrow	CSHARP9.0.14	Success	5,713
Apr 9, 2026 17:12	olliecrow	ZIG0.14.0	Success	4,875
Apr 9, 2026 02:17	Taylor Dettling	CPPg++13.3.0	Success	2,975
Apr 9, 2026 02:16	Taylor Dettling	CPPclang++18.1.3	Success	2,996
Apr 9, 2026 02:14	Taylor Dettling	CPPclang++18.1.3	Success	3,243
Apr 9, 2026 02:14	Taylor Dettling	CPPg++13.3.0	Success	4,290

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