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
Mar 20, 2026 22:18	Dominique Garmier	GOgo1.26.1	Success	10,912
Mar 20, 2026 17:28	Dominique Garmier	RUSTrust-1.94.0	Success	48,511
Mar 20, 2026 16:11	limanjun99	CPPg++13.3.0	Success	5,204
Mar 20, 2026 16:05	limanjun99	CPPg++13.3.0	Error
Mar 20, 2026 15:57	limanjun99	CPPg++13.3.0	Success	4,630
Mar 20, 2026 15:53	limanjun99	CPPg++13.3.0	Success	4,630+142.07 RP
Mar 20, 2026 15:46	limanjun99	CPPg++13.3.0	Success	4,956+44.98 RP
Mar 20, 2026 15:33	limanjun99	CPPg++13.3.0	Success	5,069+16.21 RP
Mar 20, 2026 14:58	limanjun99	CPPg++13.3.0	Success	5,111+234.21 RP
Mar 20, 2026 14:40	limanjun99	CPPg++13.3.0	Error
Mar 20, 2026 14:25	limanjun99	CPPg++13.3.0	Success	6,052
Mar 20, 2026 09:35	limanjun99	CPPg++13.3.0	Success	5,806+1'359.91 RP
Mar 20, 2026 09:26	limanjun99	CPPg++13.3.0	Error
Mar 20, 2026 09:04	limanjun99	CPPg++13.3.0	Error
Mar 20, 2026 08:51	Dominique Garmier	CPPg++13.3.0	Success	5,556+8.06 RP
Mar 20, 2026 00:19	Dominique Garmier	CPPclang++18.1.3	Success	16,960
Mar 19, 2026 14:23	Dominique Garmier	CPPg++13.3.0	Success	6,400
Mar 19, 2026 06:10	limanjun99	CPPg++13.3.0	Success	27,590+338.96 RP
Mar 19, 2026 05:56	limanjun99	CPPg++13.3.0	Success	425,655+23.49 RP
Mar 19, 2026 04:45	Dominique Garmier	CPPg++13.3.0	Success	16,976
Mar 19, 2026 00:06	Dominique Garmier	CPPg++13.3.0	Success	5,646
Mar 18, 2026 23:39	Dominique Garmier	CPPg++13.3.0	Success	5,581+25.01 RP
Mar 18, 2026 03:32	Elijah Kin	CPPg++13.3.0	Success	38,267
Mar 18, 2026 03:28	Elijah Kin	CPPg++13.3.0	Success	58,272
Mar 18, 2026 03:25	Elijah Kin	CPPg++13.3.0	Success	30,614+0.50 RP
Mar 18, 2026 03:16	Elijah Kin	CPPg++13.3.0	Success	30,762
Mar 18, 2026 03:12	Elijah Kin	CPPg++13.3.0	Success	426,436
Mar 18, 2026 03:10	Elijah Kin	CPPg++13.3.0	Success	30,661+302.57 RP
Mar 18, 2026 02:59	Elijah Kin	CPPg++13.3.0	Success	424,100+23.58 RP
Mar 16, 2026 22:09	Dominique Garmier	CPPg++13.3.0	Success	5,660+310.12 RP
Mar 16, 2026 11:14	Dominique Garmier	CPPg++13.3.0	Success	8,007
Mar 15, 2026 11:12	Dominique Garmier	CPPg++13.3.0	Success	7,195
Mar 13, 2026 17:05	Dominique Garmier	CPPg++13.3.0	Success	6,977
Mar 13, 2026 11:27	Dominique Garmier	CPPg++13.3.0	Success	6,865+1'456.66 RP
Mar 12, 2026 15:35	Keefe	CPPg++13.3.0	Success	4,600+358.70 RP
Mar 12, 2026 03:34	olliecrow	RUSTrust-1.94.0	Success	4,894
Mar 12, 2026 03:32	olliecrow	RUSTrust-1.94.0	Success	3,766
Mar 12, 2026 02:38	olliecrow	CPPclang++18.1.3	Success	4,116
Mar 11, 2026 18:31	olliecrow	RUSTrust-1.94.0	Success	3,731
Mar 11, 2026 18:17	olliecrow	RUSTrust-1.94.0	Success	3,731+308.03 RP
Mar 11, 2026 18:02	olliecrow	RUSTrust-1.94.0	Success	4,005+156.60 RP
Mar 11, 2026 17:22	olliecrow	RUSTrust-1.94.0	Success	4,273+42.48 RP
Mar 11, 2026 17:02	olliecrow	RUSTrust-1.94.0	Success	4,352+48.58 RP
Mar 11, 2026 16:36	olliecrow	RUSTrust-1.94.0	Success	4,446+47.05 RP
Mar 11, 2026 16:35	olliecrow	CPPclang++18.1.3	Success	4,587
Mar 10, 2026 13:41	olliecrow	CPPg++13.3.0	Success	5,093
Mar 10, 2026 13:35	olliecrow	CPPclang++18.1.3	Success	4,782
Mar 10, 2026 13:14	olliecrow	CPPclang++18.1.3	Success	4,543
Mar 10, 2026 13:10	olliecrow	CPPclang++18.1.3	Success	4,541+0.48 RP
Mar 10, 2026 13:06	olliecrow	CPPclang++18.1.3	Success	4,564
Mar 10, 2026 13:02	olliecrow	CPPclang++18.1.3	Success	4,546
Mar 10, 2026 05:05	olliecrow	CPPclang++18.1.3	Success	4,973
Mar 10, 2026 04:58	olliecrow	CPPclang++18.1.3	Success	4,542+0.97 RP
Mar 10, 2026 04:56	olliecrow	CPPclang++18.1.3	Success	4,553
Mar 10, 2026 04:53	olliecrow	CPPclang++18.1.3	Success	4,557
Mar 10, 2026 04:53	olliecrow	CPPclang++18.1.3	Success	4,730
Mar 6, 2026 01:59	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:57	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 6, 2026 01:54	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 6, 2026 01:54	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:48	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:39	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:33	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:17	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:11	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 01:06	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 00:59	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 00:23	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 00:19	olliecrow	CPPclang++18.1.3	Error
Mar 6, 2026 00:15	olliecrow	CPPclang++18.1.3	Error
Mar 5, 2026 23:00	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 5, 2026 22:59	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 5, 2026 22:55	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 5, 2026 22:53	Sergey Serebryakov	CPPclang++18.1.3	Error
Mar 5, 2026 15:19	NoSIMD_C#	CSHARP9.0.13	Error
Mar 5, 2026 02:36	olliecrow	CPPclang++18.1.3	Success	4,552
Mar 5, 2026 02:30	olliecrow	CPPclang++18.1.3	Success	4,551
Mar 5, 2026 02:22	olliecrow	CPPclang++18.1.3	Success	5,431
Mar 5, 2026 02:17	olliecrow	CPPclang++18.1.3	Success	4,655
Mar 5, 2026 02:10	olliecrow	CPPclang++18.1.3	Success	4,549
Mar 5, 2026 02:03	olliecrow	CPPclang++18.1.3	Success	4,544+0.48 RP
Mar 5, 2026 01:59	olliecrow	CPPclang++18.1.3	Success	4,547
Mar 5, 2026 01:52	olliecrow	CPPclang++18.1.3	Success	4,736
Mar 5, 2026 01:39	olliecrow	CPPclang++18.1.3	Success	4,545+0.97 RP
Mar 5, 2026 01:36	olliecrow	CPPclang++18.1.3	Success	4,934
Mar 5, 2026 01:32	olliecrow	CPPclang++18.1.3	Success	4,549
Mar 5, 2026 01:27	olliecrow	CPPclang++18.1.3	Success	4,551
Mar 5, 2026 01:10	olliecrow	CPPclang++18.1.3	Success	4,548
Mar 5, 2026 01:04	olliecrow	CPPclang++18.1.3	Success	4,741
Mar 5, 2026 00:52	olliecrow	CPPclang++18.1.3	Success	4,548
Mar 5, 2026 00:42	olliecrow	CPPclang++18.1.3	Success	5,434
Mar 5, 2026 00:10	olliecrow	CPPclang++18.1.3	Success	4,547+0.48 RP
Mar 5, 2026 00:07	olliecrow	CPPclang++18.1.3	Success	4,653
Mar 4, 2026 23:59	olliecrow	CPPclang++18.1.3	Success	5,415
Mar 4, 2026 23:54	olliecrow	CPPclang++18.1.3	Success	4,557
Mar 4, 2026 23:52	olliecrow	CPPclang++18.1.3	Success	4,551
Mar 4, 2026 23:49	olliecrow	CPPclang++18.1.3	Success	4,548+7.71 RP
Mar 4, 2026 23:47	olliecrow	CPPclang++18.1.3	Success	5,205
Mar 4, 2026 23:34	olliecrow	CPPclang++18.1.3	Success	4,597
Mar 4, 2026 23:33	olliecrow	CPPclang++18.1.3	Success	4,643

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