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 30, 2026 12:24	Dominique Garmier	RUSTrust-1.94.1	Success	4,822
Mar 30, 2026 08:51	Dominique Garmier	RUSTrust-1.94.1	Success	5,411
Mar 30, 2026 02:51	Dominique Garmier	RUSTrust-1.94.1	Success	6,028
Mar 30, 2026 02:00	Dominique Garmier	RUSTrust-1.94.1	Success	6,392
Mar 30, 2026 01:59	Dominique Garmier	RUSTrust-1.94.1	Success	6,154
Mar 30, 2026 01:01	Dominique Garmier	RUSTrust-1.94.1	Success	4,547
Mar 30, 2026 00:02	Dominique Garmier	RUSTrust-1.94.1	Success	8,021
Mar 29, 2026 18:34	Dominique Garmier	RUSTrust-1.94.1	Success	29,378
Mar 29, 2026 18:30	Dominique Garmier	RUSTrust-1.94.1	Error
Mar 29, 2026 00:56	Dominique Garmier	ZIG0.13.0	Success	6,559
Mar 29, 2026 00:19	Dominique Garmier	GOgo1.26.1	Success	3,964
Mar 29, 2026 00:18	Dominique Garmier	GOgo1.26.1	Success	4,695
Mar 28, 2026 23:52	Dominique Garmier	CPPg++13.3.0	Success	7,312
Mar 28, 2026 22:45	Dominique Garmier	GOgo1.26.1	Success	9,401
Mar 28, 2026 18:36	Dominique Garmier	RUSTrust-1.94.1	Success	23,849
Mar 26, 2026 12:56	Dominique Garmier	RUSTrust-1.94.0	Success	34,063
Mar 26, 2026 10:58	Dominique Garmier	RUSTrust-1.94.0	Success	4,448
Mar 26, 2026 10:36	Dominique Garmier	ZIG0.13.0	Success	4,430
Mar 26, 2026 10:23	Dominique Garmier	ZIG0.13.0	Success	8,988
Mar 25, 2026 20:55	Dominique Garmier	ZIG0.13.0	Success	12,546
Mar 25, 2026 19:58	Dominique Garmier	ZIG0.13.0	Success	5,884
Mar 25, 2026 15:40	Dominique Garmier	ZIG0.13.0	Success	5,873
Mar 25, 2026 15:19	Dominique Garmier	RUSTrust-1.94.0	Success	4,410
Mar 25, 2026 13:41	Dominique Garmier	ZIG0.13.0	Success	82,778
Mar 25, 2026 13:39	Dominique Garmier	ZIG0.13.0	Success	23,870
Mar 25, 2026 10:56	Dominique Garmier	ZIG0.13.0	Success	12,409
Mar 25, 2026 10:39	Dominique Garmier	ZIG0.13.0	Success	17,051
Mar 25, 2026 10:26	Dominique Garmier	ZIG0.13.0	Success	14,006
Mar 25, 2026 09:58	Dominique Garmier	ZIG0.13.0	Success	33,647
Mar 25, 2026 09:07	Dominique Garmier	ZIG0.13.0	Success	54,835
Mar 25, 2026 02:08	Dominique Garmier	CPPclang++18.1.3	Success	4,025
Mar 25, 2026 02:07	Dominique Garmier	CPPclang++18.1.3	Success	4,728
Mar 24, 2026 23:00	Dominique Garmier	RUSTrust-1.94.0	Success	35,530
Mar 24, 2026 20:37	Dominique Garmier	RUSTrust-1.94.0	Success	6,932
Mar 24, 2026 19:05	Dominique Garmier	RUSTrust-1.94.0	Success	5,209
Mar 24, 2026 18:43	Dominique Garmier	GOgo1.26.1	Success	6,841
Mar 24, 2026 17:44	Dominique Garmier	CPPclang++18.1.3	Success	4,726
Mar 24, 2026 12:19	Dominique Garmier	RUSTrust-1.94.0	Success	3,637+178.18 RP
Mar 24, 2026 09:02	Dominique Garmier	RUSTrust-1.82.0	Success	4,372
Mar 24, 2026 07:12	Dominique Garmier	GOgo1.26.1	Success	8,659
Mar 24, 2026 05:48	Dominique Garmier	CPPclang++18.1.3	Success	3,787+154.91 RP
Mar 24, 2026 04:43	Dominique Garmier	RUSTrust-1.94.0	Success	5,700
Mar 24, 2026 01:16	Dominique Garmier	GOgo1.26.1	Success	8,087
Mar 23, 2026 20:42	Dominique Garmier	CPPclang++18.1.3	Success	5,343
Mar 23, 2026 20:40	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 18:28	Dominique Garmier	CPPclang++18.1.3	Success	5,592
Mar 23, 2026 17:47	Dominique Garmier	CPPclang++18.1.3	Success	5,586
Mar 23, 2026 16:41	Dominique Garmier	CPPg++13.3.0	Success	5,610
Mar 23, 2026 15:26	Dominique Garmier	CPPclang++18.1.3	Success	4,779
Mar 23, 2026 14:13	Dominique Garmier	CPPclang++18.1.3	Success	4,046
Mar 23, 2026 14:11	Dominique Garmier	CPPclang++18.1.3	Success	4,023+44.90 RP
Mar 23, 2026 14:06	Dominique Garmier	CPPg++13.3.0	Success	4,347
Mar 23, 2026 14:06	Dominique Garmier	CPPclang++18.1.3	Success	4,754
Mar 23, 2026 14:05	Dominique Garmier	CPPclang++18.1.3	Success	4,115
Mar 23, 2026 14:02	Dominique Garmier	CPPclang++18.1.3	Success	4,097+425.09 RP
Mar 23, 2026 14:02	Dominique Garmier	CPPclang++18.1.3	Success	5,351
Mar 23, 2026 13:57	Dominique Garmier	CPPclang++18.1.3	Success	4,961+24.88 RP
Mar 23, 2026 13:53	Dominique Garmier	CPPg++13.3.0	Success	8,404
Mar 23, 2026 13:25	Dominique Garmier	CPPclang++18.1.3	Success	5,432
Mar 23, 2026 12:06	Dominique Garmier	CPPclang++18.1.3	Success	5,305
Mar 23, 2026 11:47	Dominique Garmier	CPPclang++18.1.3	Success	5,023+21.56 RP
Mar 23, 2026 11:39	Dominique Garmier	CPPclang++18.1.3	Success	7,106
Mar 23, 2026 11:38	Dominique Garmier	CPPclang++18.1.3	Success	6,172
Mar 23, 2026 10:28	Dominique Garmier	CPPclang++18.1.3	Success	6,248
Mar 23, 2026 09:25	Dominique Garmier	CPPg++13.3.0	Success	9,104
Mar 23, 2026 09:18	Dominique Garmier	CPPg++13.3.0	Success	14,569
Mar 23, 2026 08:18	Dominique Garmier	CPPg++13.3.0	Success	14,562
Mar 23, 2026 07:41	Dominique Garmier	CPPg++13.3.0	Success	8,499
Mar 23, 2026 06:30	Dominique Garmier	CPPclang++18.1.3	Success	6,521
Mar 23, 2026 06:30	Dominique Garmier	CPPclang++18.1.3	Success	6,029
Mar 23, 2026 06:27	Dominique Garmier	CPPclang++18.1.3	Success	6,500
Mar 23, 2026 06:27	Dominique Garmier	CPPclang++18.1.3	Success	5,741
Mar 23, 2026 06:27	Dominique Garmier	CPPclang++18.1.3	Success	5,754
Mar 23, 2026 06:10	Dominique Garmier	CPPclang++18.1.3	Success	6,051
Mar 23, 2026 06:09	Dominique Garmier	CPPclang++18.1.3	Success	5,616
Mar 23, 2026 06:09	Dominique Garmier	CPPclang++18.1.3	Error
Mar 23, 2026 05:27	Dominique Garmier	CPPg++13.3.0	Success	8,158
Mar 23, 2026 05:25	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 05:22	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 05:15	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 04:47	Dominique Garmier	CPPg++13.3.0	Success	5,546
Mar 23, 2026 04:20	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 03:49	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 03:34	Dominique Garmier	CPPg++13.3.0	Success	5,585
Mar 23, 2026 03:10	Dominique Garmier	CPPclang++18.1.3	Error
Mar 23, 2026 02:54	Dominique Garmier	CPPclang++18.1.3	Success	5,972
Mar 23, 2026 02:30	Dominique Garmier	CPPg++13.3.0	Success	11,681
Mar 23, 2026 01:58	Dominique Garmier	CPPg++13.3.0	Success	7,789
Mar 23, 2026 01:57	Dominique Garmier	CPPg++13.3.0	Success	6,123
Mar 23, 2026 01:52	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 01:51	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 01:49	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 01:37	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 00:52	Dominique Garmier	CPPg++13.3.0	Error
Mar 22, 2026 22:58	Dominique Garmier	CPPg++13.3.0	Error
Mar 22, 2026 22:58	Dominique Garmier	CPPg++13.3.0	Error
Mar 22, 2026 22:00	Dominique Garmier	CPPclang++18.1.3	Success	5,078+0.78 RP
Mar 22, 2026 20:36	Dominique Garmier	CPPclang++18.1.3	Success	5,938
Mar 22, 2026 20:33	Dominique Garmier	CPPg++13.3.0	Success	6,088
Mar 22, 2026 20:02	Dominique Garmier	GOgo1.26.1	Success	8,848

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