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 3, 2026 21:19	Taylor Dettling	GOgo1.26.1	Success	3,547
Apr 3, 2026 21:17	Taylor Dettling	RUSTrust-1.94.1	Success	3,521
Apr 3, 2026 21:06	Taylor Dettling	GOgo1.26.1	Success	3,527
Apr 3, 2026 21:05	Taylor Dettling	GOgo1.26.1	Success	3,532
Apr 3, 2026 21:01	Taylor Dettling	GOgo1.26.1	Success	3,525
Apr 3, 2026 20:36	Taylor Dettling	GOgo1.26.1	Error
Apr 3, 2026 20:35	Taylor Dettling	CPPclang++18.1.3	Success	3,514
Apr 3, 2026 20:35	Taylor Dettling	RUSTrust-1.94.1	Success	3,494
Apr 3, 2026 20:18	Taylor Dettling	CPPclang++18.1.3	Error
Apr 3, 2026 20:03	Taylor Dettling	CPPclang++18.1.3	Success	3,509
Apr 3, 2026 20:01	Taylor Dettling	CPPclang++18.1.3	Error
Apr 3, 2026 20:00	Taylor Dettling	CPPg++13.3.0	Error
Apr 3, 2026 19:56	Taylor Dettling	CPPg++13.3.0	Error
Apr 3, 2026 19:53	Taylor Dettling	RUSTrust-1.94.1	Success	3,502
Apr 3, 2026 19:27	Taylor Dettling	RUSTrust-1.94.1	Success	3,463+1.66 RP
Apr 3, 2026 19:23	Taylor Dettling	CPPclang++18.1.3	Success	3,532
Apr 3, 2026 19:21	Taylor Dettling	CPPg++13.3.0	Success	3,685
Apr 3, 2026 19:17	Taylor Dettling	CPPclang++18.1.3	Success	3,826
Apr 3, 2026 19:17	Taylor Dettling	CPPg++13.3.0	Success	4,194
Apr 3, 2026 19:08	Taylor Dettling	CPPg++13.3.0	Success	3,745
Apr 3, 2026 19:08	Taylor Dettling	CPPclang++18.1.3	Success	3,911
Apr 3, 2026 19:07	Taylor Dettling	CPPclang++18.1.3	Success	3,560
Apr 3, 2026 19:06	Taylor Dettling	RUSTrust-1.94.1	Success	3,493
Apr 3, 2026 19:02	Taylor Dettling	RUSTrust-1.94.1	Success	4,186
Apr 3, 2026 18:58	Taylor Dettling	CPPg++13.3.0	Success	4,068
Apr 3, 2026 18:57	Taylor Dettling	CPPclang++18.1.3	Success	3,866
Apr 3, 2026 18:56	Taylor Dettling	RUSTrust-1.94.1	Success	3,521
Apr 3, 2026 18:50	Taylor Dettling	RUSTrust-1.94.1	Success	3,702
Apr 3, 2026 18:45	Taylor Dettling	RUSTrust-1.94.1	Success	3,468
Apr 3, 2026 18:41	Taylor Dettling	RUSTrust-1.94.1	Success	3,737
Apr 3, 2026 18:22	Taylor Dettling	RUSTrust-1.94.1	Success	3,779
Apr 3, 2026 18:22	Taylor Dettling	RUSTrust-1.94.1	Success	6,217
Apr 3, 2026 05:58	Taylor Dettling	CPPclang++18.1.3	Success	3,977
Apr 3, 2026 05:58	Taylor Dettling	CPPg++13.3.0	Success	4,267
Apr 3, 2026 05:56	Taylor Dettling	CPPg++13.3.0	Error
Apr 3, 2026 05:56	Taylor Dettling	CPPclang++18.1.3	Error
Apr 3, 2026 05:52	Taylor Dettling	CPPclang++18.1.3	Success	3,535
Apr 3, 2026 05:51	Taylor Dettling	CPPclang++18.1.3	Success	7,411
Apr 3, 2026 05:50	Taylor Dettling	CPPg++13.3.0	Success	7,257
Apr 3, 2026 05:47	Taylor Dettling	CPPg++13.3.0	Error
Apr 3, 2026 05:45	Taylor Dettling	CPPg++13.3.0	Error
Apr 3, 2026 05:41	Taylor Dettling	CPPg++13.3.0	Success	4,089
Apr 3, 2026 05:36	Taylor Dettling	CPPg++13.3.0	Success	4,244
Apr 3, 2026 05:33	Taylor Dettling	CPPg++13.3.0	Success	4,068
Apr 3, 2026 05:30	Taylor Dettling	CPPg++13.3.0	Success	4,973
Apr 3, 2026 05:25	Taylor Dettling	CPPg++13.3.0	Success	3,839
Apr 3, 2026 05:22	Taylor Dettling	CPPg++13.3.0	Success	3,804
Apr 3, 2026 05:20	Taylor Dettling	CPPg++13.3.0	Success	3,669
Apr 3, 2026 05:19	Taylor Dettling	CPPg++13.3.0	Success	4,219
Apr 3, 2026 05:14	Taylor Dettling	CPPg++13.3.0	Success	4,233
Apr 3, 2026 05:13	Taylor Dettling	CPPg++13.3.0	Success	5,059
Apr 3, 2026 05:04	Taylor Dettling	RUSTrust-1.94.1	Success	3,479
Apr 3, 2026 04:53	Taylor Dettling	RUSTrust-1.94.1	Success	27,425
Apr 3, 2026 04:44	Taylor Dettling	RUSTrust-1.94.1	Success	3,478
Apr 3, 2026 04:32	Taylor Dettling	RUSTrust-1.94.1	Success	3,468
Apr 3, 2026 04:29	Taylor Dettling	RUSTrust-1.94.1	Success	3,496
Apr 3, 2026 04:24	Taylor Dettling	RUSTrust-1.94.1	Success	3,485
Apr 3, 2026 04:14	Taylor Dettling	RUSTrust-1.94.1	Success	3,464+62.64 RP
Apr 3, 2026 04:07	Taylor Dettling	RUSTrust-1.94.1	Success	3,610
Apr 3, 2026 04:03	Taylor Dettling	RUSTrust-1.94.1	Success	3,518
Apr 3, 2026 04:01	Taylor Dettling	RUSTrust-1.94.1	Success	4,988
Apr 3, 2026 03:59	Taylor Dettling	RUSTrust-1.94.1	Success	3,534
Apr 3, 2026 03:58	Taylor Dettling	RUSTrust-1.94.1	Success	3,502+13.02 RP
Apr 3, 2026 03:42	Taylor Dettling	RUSTrust-1.94.1	Success	4,014
Apr 3, 2026 03:39	Taylor Dettling	RUSTrust-1.94.1	Success	3,517
Apr 3, 2026 03:30	Taylor Dettling	RUSTrust-1.94.1	Success	3,549
Apr 3, 2026 03:20	Taylor Dettling	RUSTrust-1.94.1	Success	5,420
Apr 3, 2026 03:18	Taylor Dettling	RUSTrust-1.94.1	Success	3,743
Apr 3, 2026 03:07	Taylor Dettling	RUSTrust-1.94.1	Success	3,510+84.76 RP
Apr 3, 2026 02:50	Taylor Dettling	RUSTrust-1.94.1	Success	3,563+283.08 RP
Apr 3, 2026 02:45	Taylor Dettling	RUSTrust-1.94.1	Success	3,875+0.67 RP
Apr 3, 2026 02:36	Taylor Dettling	RUSTrust-1.94.1	Success	3,903
Apr 3, 2026 02:32	Taylor Dettling	RUSTrust-1.94.1	Success	3,876+0.67 RP
Apr 3, 2026 02:28	Taylor Dettling	RUSTrust-1.94.1	Success	4,102
Apr 3, 2026 02:21	Taylor Dettling	RUSTrust-1.94.1	Success	3,877+156.83 RP
Apr 3, 2026 02:06	Taylor Dettling	RUSTrust-1.94.1	Success	4,128+4.69 RP
Apr 3, 2026 02:00	Taylor Dettling	RUSTrust-1.94.1	Success	4,136
Apr 3, 2026 01:53	Taylor Dettling	RUSTrust-1.94.1	Success	4,136+188.14 RP
Apr 3, 2026 01:48	Taylor Dettling	RUSTrust-1.94.1	Success	4,485+314.68 RP
Apr 3, 2026 01:42	Taylor Dettling	RUSTrust-1.94.1	Success	5,906
Apr 3, 2026 01:32	Taylor Dettling	RUSTrust-1.94.1	Success	5,222+329.18 RP
Apr 3, 2026 01:29	Taylor Dettling	RUSTrust-1.94.1	Success	6,306+18.39 RP
Apr 3, 2026 01:22	Taylor Dettling	RUSTrust-1.94.1	Success	6,495
Apr 3, 2026 01:12	Taylor Dettling	RUSTrust-1.94.1	Success	6,380+10.74 RP
Apr 3, 2026 01:05	Taylor Dettling	RUSTrust-1.94.1	Success	6,424+3.87 RP
Apr 3, 2026 01:00	Taylor Dettling	RUSTrust-1.94.1	Success	6,440+26.31 RP
Apr 3, 2026 00:48	Taylor Dettling	RUSTrust-1.94.1	Success	6,551+21.82 RP
Apr 3, 2026 00:41	Taylor Dettling	RUSTrust-1.94.1	Success	8,348
Apr 3, 2026 00:35	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 3, 2026 00:22	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 3, 2026 00:18	Taylor Dettling	RUSTrust-1.94.1	Success	6,646+161.30 RP
Apr 3, 2026 00:14	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 2, 2026 23:53	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 2, 2026 23:52	Taylor Dettling	RUSTrust-1.94.1	Success	7,523
Apr 2, 2026 23:45	Taylor Dettling	RUSTrust-1.94.1	Success	7,444+1'343.36 RP
Apr 2, 2026 23:41	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 2, 2026 23:32	Taylor Dettling	RUSTrust-1.94.1	Error
Apr 2, 2026 23:29	Taylor Dettling	RUSTrust-1.94.1	Error
Mar 30, 2026 14:55	Dominique Garmier	RUSTrust-1.94.1	Success	4,914
Mar 30, 2026 13:04	Dominique Garmier	RUSTrust-1.94.1	Success	4,988

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