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 9, 2026 02:12	Taylor Dettling	CPPg++13.3.0	Success	4,339
Apr 9, 2026 02:11	Taylor Dettling	CPPclang++18.1.3	Success	3,296
Apr 9, 2026 02:10	Taylor Dettling	CPPclang++18.1.3	Success	3,047
Apr 9, 2026 02:09	Taylor Dettling	CPPg++13.3.0	Success	2,984
Apr 9, 2026 02:09	Taylor Dettling	RUSTrust-1.94.1	Success	2,967+136.78 RP
Apr 9, 2026 02:08	Taylor Dettling	CSHARP8.0.25	Success	3,200+1'569.79 RP
Apr 9, 2026 02:00	Taylor Dettling	ZIG0.14.0	Success	3,123+55.42 RP
Apr 9, 2026 01:58	Taylor Dettling	GOgo1.26.1	Success	3,016+73.87 RP
Apr 9, 2026 01:49	Taylor Dettling	ZIG0.14.0	Success	3,178+243.88 RP
Apr 9, 2026 01:48	Taylor Dettling	GOgo1.26.1	Success	3,059+259.71 RP
Apr 9, 2026 01:25	Taylor Dettling	RUSTrust-1.94.1	Success	3,041+275.58 RP
Apr 8, 2026 23:59	Taylor Dettling	ZIG0.14.0	Success	3,445+118.02 RP
Apr 8, 2026 23:56	Taylor Dettling	GOgo1.26.1	Success	3,323+161.14 RP
Apr 8, 2026 23:44	Taylor Dettling	GOgo1.26.1	Error
Apr 8, 2026 23:39	Taylor Dettling	RUSTrust-1.94.1	Success	3,174+314.75 RP
Apr 8, 2026 23:19	Taylor Dettling	RUSTrust-1.94.1	Success	3,435
Apr 8, 2026 22:55	Taylor Dettling	RUSTrust-1.94.1	Success	3,573
Apr 8, 2026 22:49	Taylor Dettling	RUSTrust-1.94.1	Success	3,618
Apr 8, 2026 22:41	Taylor Dettling	RUSTrust-1.94.1	Success	3,635
Apr 8, 2026 22:26	Taylor Dettling	RUSTrust-1.94.1	Success	3,766
Apr 8, 2026 22:23	Taylor Dettling	RUSTrust-1.94.1	Success	3,494
Apr 8, 2026 22:16	Taylor Dettling	CPPclang++18.1.3	Success	3,986
Apr 8, 2026 22:13	Taylor Dettling	CPPclang++18.1.3	Success	3,906
Apr 8, 2026 22:12	Taylor Dettling	CPPclang++18.1.3	Success	3,904
Apr 8, 2026 22:11	Taylor Dettling	CPPclang++18.1.3	Success	3,902
Apr 8, 2026 22:08	Taylor Dettling	CPPclang++18.1.3	Success	3,898
Apr 8, 2026 22:08	Taylor Dettling	CPPg++13.3.0	Success	4,259
Apr 8, 2026 22:08	Taylor Dettling	CPPg++13.3.0	Success	4,260
Apr 8, 2026 22:08	Taylor Dettling	CPPclang++18.1.3	Success	3,896
Apr 8, 2026 22:05	Taylor Dettling	RUSTrust-1.94.1	Success	3,482
Apr 8, 2026 22:00	Taylor Dettling	RUSTrust-1.94.1	Success	3,412
Apr 8, 2026 21:54	Taylor Dettling	RUSTrust-1.94.1	Success	3,399
Apr 8, 2026 21:45	Taylor Dettling	RUSTrust-1.94.1	Success	4,132
Apr 8, 2026 21:40	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 8, 2026 21:37	Taylor Dettling	RUSTrust-1.94.1	Success	3,410
Apr 8, 2026 21:36	Taylor Dettling	RUSTrust-1.94.1	Success	3,413
Apr 8, 2026 21:35	Taylor Dettling	RUSTrust-1.94.1	Success	3,392
Apr 8, 2026 21:32	Taylor Dettling	RUSTrust-1.94.1	Success	3,396
Apr 8, 2026 21:26	Taylor Dettling	RUSTrust-1.94.1	Success	3,420
Apr 8, 2026 21:25	Taylor Dettling	RUSTrust-1.85.1	Success	3,427
Apr 8, 2026 21:22	Taylor Dettling	RUSTrust-1.94.1	Success	3,557
Apr 8, 2026 21:07	Taylor Dettling	ZIG0.14.0	Error
Apr 8, 2026 21:06	Taylor Dettling	GOgo1.26.1	Error
Apr 8, 2026 14:06	Josu San Martin	RUSTrust-1.92.0	Success	3,296+47.50 RP
Apr 8, 2026 01:46	Josu San Martin	RUSTrust-1.92.0	Success	3,329
Apr 8, 2026 01:45	Josu San Martin	RUSTrust-1.92.0	Success	3,338
Apr 8, 2026 01:14	Josu San Martin	RUSTrust-1.92.0	Success	3,325
Apr 8, 2026 01:02	Josu San Martin	RUSTrust-1.92.0	Success	3,328
Apr 8, 2026 00:36	olliecrow	CPPclang++18.1.3	Success	3,917
Apr 8, 2026 00:05	olliecrow	CPPclang++18.1.3	Success	4,119
Apr 7, 2026 23:46	olliecrow	CPPclang++18.1.3	Success	7,224
Apr 7, 2026 06:25	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,117+6.16 RP
Apr 7, 2026 06:24	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,170
Apr 7, 2026 06:23	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,125
Apr 7, 2026 06:22	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,143
Apr 7, 2026 06:21	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,157
Apr 7, 2026 06:13	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,123+1.02 RP
Apr 7, 2026 06:12	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 06:11	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,124+24.40 RP
Apr 7, 2026 06:10	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 05:56	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,154
Apr 7, 2026 05:54	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,164
Apr 7, 2026 05:53	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,165
Apr 7, 2026 05:50	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,153
Apr 7, 2026 05:49	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,157
Apr 7, 2026 05:48	Yuriy Lyfenko	CPPg++13.3.0	Success	3,417
Apr 7, 2026 05:47	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,166
Apr 7, 2026 05:46	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,149
Apr 7, 2026 05:44	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,180
Apr 7, 2026 05:35	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,148+312.93 RP
Apr 7, 2026 05:30	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 05:13	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 04:54	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,492+11.44 RP
Apr 7, 2026 04:50	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,506+15.37 RP
Apr 7, 2026 04:37	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 04:36	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,842
Apr 7, 2026 04:26	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,538
Apr 7, 2026 04:23	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,525+27.89 RP
Apr 7, 2026 04:15	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,563
Apr 7, 2026 04:14	Yuriy Lyfenko	CPPclang++18.1.3	Success	4,049
Apr 7, 2026 04:10	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,560+1.58 RP
Apr 7, 2026 04:08	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,562+32.72 RP
Apr 7, 2026 04:07	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,723
Apr 7, 2026 04:04	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,606
Apr 7, 2026 04:03	Yuriy Lyfenko	CPPclang++18.1.3	Success	4,021
Apr 7, 2026 03:59	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,894
Apr 7, 2026 03:57	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,619
Apr 7, 2026 03:52	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 7, 2026 03:42	Yuriy Lyfenko	CPPclang++18.1.3	Success	3,604+39.47 RP
Apr 6, 2026 19:55	olliecrow	GOgo1.26.1	Success	5,007
Apr 6, 2026 19:51	olliecrow	GOgo1.26.1	Success	4,996
Apr 5, 2026 10:58	Taylor Dettling	RUSTrust-1.94.1	Success	3,387+48.86 RP
Apr 5, 2026 08:45	Taylor Dettling	RUSTrust-1.94.1	Success	3,444+2.53 RP
Apr 5, 2026 08:18	Taylor Dettling	RUSTrust-1.94.1	Success	3,463
Apr 5, 2026 08:09	Taylor Dettling	RUSTrust-1.94.1	Success	3,671
Apr 5, 2026 08:04	Taylor Dettling	RUSTrust-1.94.1	Success	3,510
Apr 5, 2026 08:00	Taylor Dettling	RUSTrust-1.94.1	Success	8,607
Apr 5, 2026 07:49	Taylor Dettling	RUSTrust-1.94.1	Success	3,500
Apr 5, 2026 07:46	Taylor Dettling	RUSTrust-1.94.1	Success	3,492
Apr 5, 2026 07:44	Taylor Dettling	RUSTrust-1.94.1	Success	3,496

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