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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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
Aug 29, 2026 12:06	Victor Mercklé	CPPg++14.2.0	Success	1,703
Aug 29, 2026 11:54	Victor Mercklé	CPPg++14.2.0	Success	1,578
Aug 29, 2026 11:43	Victor Mercklé	CPPg++14.2.0	Success	1,619
Aug 29, 2026 11:33	Victor Mercklé	CPPg++14.2.0	Success	1,572
Aug 29, 2026 11:20	Victor Mercklé	CPPg++14.2.0	Success	1,565
Aug 29, 2026 11:08	Victor Mercklé	CPPg++14.2.0	Success	1,599
Aug 29, 2026 10:32	Victor Mercklé	CPPg++14.2.0	Success	1,999
Aug 29, 2026 10:25	Victor Mercklé	CPPg++14.2.0	Success	1,617
Aug 29, 2026 09:58	Victor Mercklé	CPPg++14.2.0	Success	1,565+4.08 RP
Aug 29, 2026 09:50	Victor Mercklé	CPPg++14.2.0	Success	1,657
Aug 29, 2026 09:39	Victor Mercklé	CPPg++14.2.0	Success	1,982
Aug 29, 2026 09:34	Victor Mercklé	CPPg++14.2.0	Success	1,592
Aug 29, 2026 09:19	Victor Mercklé	CPPg++14.2.0	Success	1,835
Aug 29, 2026 08:56	Victor Mercklé	CPPg++14.2.0	Success	1,639
Aug 29, 2026 08:36	Victor Mercklé	CPPg++14.2.0	Success	1,615
Aug 28, 2026 11:03	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 10:51	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 10:00	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 09:51	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 08:33	Haha Expert	CSHARP9.0.19	Success	9,965+18.00 RP
Aug 28, 2026 08:23	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 08:10	Haha Expert	CSHARP9.0.19	Success	10,471
Aug 28, 2026 07:44	Haha Expert	CSHARP9.0.19	Success	10,150
Aug 28, 2026 07:38	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 07:28	Haha Expert	CSHARP9.0.19	Error
Aug 28, 2026 07:15	Haha Expert	CSHARP9.0.19	Success	10,147+55.45 RP
Aug 28, 2026 07:03	Haha Expert	CSHARP9.0.19	Success	10,752+535.91 RP
Aug 23, 2026 22:04	Andrew Epstein	CPPg++14.2.0	Success	2,632+2'144.31 RP
Aug 23, 2026 15:31	Andrew Epstein	CPPg++14.2.0	Success	6,042+377.45 RP
Aug 23, 2026 15:04	Andrew Epstein	CPPg++14.2.0	Success	7,827+983.68 RP
Aug 21, 2026 19:32	Andrew Epstein	CPPg++14.2.0	Success	34,019+293.95 RP
Aug 19, 2026 01:04	Victor Mercklé	GOgo1.26.2	Success	1,710
Aug 19, 2026 00:13	Victor Mercklé	CSHARP10.0.7	Success	1,600+115.03 RP
Aug 18, 2026 18:01	Victor Mercklé	CSHARP10.0.7	Success	1,652
Aug 18, 2026 17:55	Victor Mercklé	ZIG0.16.0	Success	1,570+158.25 RP
Aug 18, 2026 07:40	Victor Mercklé	GOgo1.26.2	Success	1,602+125.99 RP
Aug 17, 2026 15:57	Victor Mercklé	CPPg++14.2.0	Success	2,237
Aug 17, 2026 15:29	Victor Mercklé	CPPg++14.2.0	Success	1,571
Aug 17, 2026 15:05	Victor Mercklé	CPPg++14.2.0	Success	1,566+16.27 RP
Aug 17, 2026 14:55	Victor Mercklé	CPPg++14.2.0	Success	1,570+24.25 RP
Aug 17, 2026 14:47	Victor Mercklé	CPPg++14.2.0	Success	1,583
Aug 17, 2026 14:40	Victor Mercklé	CPPg++14.2.0	Success	1,576+24.07 RP
Aug 17, 2026 14:26	Victor Mercklé	CPPg++14.2.0	Success	1,587
Aug 17, 2026 14:04	Victor Mercklé	CPPg++14.2.0	Success	1,609
Aug 17, 2026 13:53	Victor Mercklé	CPPg++14.2.0	Success	1,600
Aug 17, 2026 13:47	Victor Mercklé	CPPg++14.2.0	Success	1,589
Aug 17, 2026 13:10	Victor Mercklé	CPPg++14.2.0	Success	1,621
Aug 17, 2026 13:02	Victor Mercklé	CPPg++14.2.0	Success	1,582+47.59 RP
Aug 17, 2026 12:54	Victor Mercklé	CPPg++14.2.0	Success	1,655
Aug 17, 2026 12:41	Victor Mercklé	CPPg++14.2.0	Success	1,615
Aug 17, 2026 08:14	marko1597	GOgo1.26.2	Error
Aug 17, 2026 08:01	marko1597	GOgo1.26.2	Success	6,411
Aug 17, 2026 08:01	marko1597	GOgo1.26.2	Success	6,853
Aug 17, 2026 07:56	marko1597	GOgo1.26.2	Error
Aug 17, 2026 00:35	Victor Mercklé	CPPg++14.2.0	Success	1,602
Aug 16, 2026 23:52	Victor Mercklé	CPPg++14.2.0	Success	1,664
Aug 16, 2026 23:34	marko1597	GOgo1.25.13	Success	6,853
Aug 16, 2026 23:33	marko1597	GOgo1.26.2	Success	6,853
Aug 16, 2026 23:33	marko1597	GOgo1.26.6	Success	6,852
Aug 16, 2026 23:16	marko1597	CSHARP8.0.30	Success	14,958
Aug 16, 2026 23:16	marko1597	CSHARP10.0.11	Success	14,151
Aug 16, 2026 23:04	marko1597	ZIG0.14.1	Success	1,680
Aug 16, 2026 23:04	marko1597	ZIG0.16.0	Success	1,704
Aug 16, 2026 23:04	marko1597	ZIG0.15.1	Success	1,613
Aug 16, 2026 23:00	Tomislav Tunkovic	ZIG0.15.1	Success	2,402
Aug 16, 2026 23:00	Tomislav Tunkovic	GOgo1.26.2	Success	24,400
Aug 16, 2026 22:59	Tomislav Tunkovic	RUSTrust-1.95.0	Success	1,563+175.18 RP
Aug 16, 2026 22:57	marko1597	RUSTrust-1.89.0	Success	1,683
Aug 16, 2026 22:57	marko1597	RUSTrust-1.95.0	Success	1,691
Aug 16, 2026 22:57	marko1597	RUSTrust-1.97.1	Success	1,736
Aug 16, 2026 22:49	Victor Mercklé	CSHARP10.0.7	Success	1,686
Aug 16, 2026 22:32	Victor Mercklé	CPPg++14.2.0	Success	1,685
Aug 16, 2026 22:27	Victor Mercklé	CPPg++14.2.0	Success	1,633
Aug 16, 2026 22:07	Victor Mercklé	CPPg++14.2.0	Success	1,637
Aug 16, 2026 22:00	Victor Mercklé	CPPg++14.2.0	Success	1,610
Aug 16, 2026 21:50	Victor Mercklé	CSHARP10.0.7	Success	1,630+1'076.80 RP
Aug 16, 2026 21:36	Victor Mercklé	CPPg++14.2.0	Success	1,598
Aug 16, 2026 21:36	Victor Mercklé	GOgo1.26.2	Success	1,635+932.17 RP
Aug 16, 2026 21:31	Victor Mercklé	ZIG0.16.0	Success	1,610+956.32 RP
Aug 16, 2026 21:29	Victor Mercklé	RUSTrust-1.95.0	Success	1,607+954.07 RP
Aug 16, 2026 20:59	Victor Mercklé	CPPg++14.2.0	Success	1,608
Aug 16, 2026 20:55	Victor Mercklé	CPPg++14.2.0	Success	1,608
Aug 16, 2026 20:49	Victor Mercklé	CPPg++14.2.0	Success	1,616
Aug 16, 2026 20:42	Victor Mercklé	CPPg++14.2.0	Success	1,596
Aug 16, 2026 20:26	Victor Mercklé	CPPg++14.2.0	Success	1,609
Aug 16, 2026 20:12	Victor Mercklé	CPPg++14.2.0	Success	1,598
Aug 16, 2026 19:54	Victor Mercklé	CPPg++14.2.0	Success	1,795
Aug 16, 2026 19:25	Victor Mercklé	CPPg++14.2.0	Success	2,400
Aug 16, 2026 19:13	Victor Mercklé	CPPg++14.2.0	Success	1,594+3.93 RP
Aug 16, 2026 19:00	Victor Mercklé	CPPg++14.2.0	Success	1,599
Aug 16, 2026 18:46	Victor Mercklé	CPPg++14.2.0	Success	1,631
Aug 16, 2026 18:23	Victor Mercklé	CPPg++14.2.0	Success	1,687
Aug 16, 2026 18:07	Victor Mercklé	CPPg++14.2.0	Success	1,627
Aug 16, 2026 17:52	Victor Mercklé	CPPg++14.2.0	Success	1,595+3.93 RP
Aug 16, 2026 17:38	Victor Mercklé	CPPg++14.2.0	Success	1,605
Aug 16, 2026 17:27	Victor Mercklé	CPPg++14.2.0	Success	1,596+11.76 RP
Aug 16, 2026 17:13	Victor Mercklé	CPPg++14.2.0	Success	1,599+35.00 RP
Aug 16, 2026 16:59	Victor Mercklé	CPPg++14.2.0	Success	1,617
Aug 16, 2026 16:48	Victor Mercklé	CPPg++14.2.0	Success	1,628
Aug 16, 2026 16:24	Victor Mercklé	CPPg++14.2.0	Success	2,767

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