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
Jun 6, 2026 18:26	Victor Mercklé	CPPg++14.2.0	Success	2,576+15.04 RP
Jun 6, 2026 18:15	Victor Mercklé	CPPg++14.2.0	Success	2,581+44.78 RP
Jun 6, 2026 18:10	Victor Mercklé	CPPg++14.2.0	Success	2,596+235.90 RP
Jun 5, 2026 21:33	Victor Mercklé	CPPg++14.2.0	Success	2,679
Jun 5, 2026 21:20	Victor Mercklé	CPPg++14.2.0	Success	2,678+5.58 RP
Jun 4, 2026 23:16	Victor Mercklé	CPPg++14.2.0	Success	2,688
Jun 4, 2026 23:02	Victor Mercklé	CPPg++14.2.0	Success	2,680+7.78 RP
May 28, 2026 02:13	Mungap Kim	CPPg++10.5.0	Success	38,985+261.51 RP
May 22, 2026 09:32	M-Rochat	CPPg++13.3.0	Success	4,713
May 22, 2026 09:29	M-Rochat	CPPg++13.3.0	Success	4,656
May 22, 2026 09:26	M-Rochat	CPPg++13.3.0	Success	4,659
May 22, 2026 09:23	M-Rochat	CPPg++13.3.0	Success	4,656
May 22, 2026 09:20	M-Rochat	CPPg++13.3.0	Success	4,701
May 22, 2026 09:16	M-Rochat	CPPg++13.3.0	Success	4,656+19.65 RP
May 22, 2026 09:13	M-Rochat	CPPg++13.3.0	Success	4,699+3.17 RP
May 22, 2026 09:11	M-Rochat	CPPg++14.2.0	Error
May 22, 2026 09:07	M-Rochat	CPPg++14.2.0	Success	4,706+3.61 RP
May 22, 2026 09:05	M-Rochat	CPPg++14.2.0	Success	4,714+29.73 RP
May 22, 2026 09:02	M-Rochat	CPPg++14.2.0	Success	4,781+8.71 RP
May 22, 2026 08:59	M-Rochat	CPPg++14.2.0	Success	5,363
May 20, 2026 15:19	M-Rochat	CPPg++14.2.0	Success	5,365
May 20, 2026 15:17	M-Rochat	CPPg++14.2.0	Success	5,396
May 20, 2026 15:16	M-Rochat	CPPg++14.2.0	Success	5,489
May 20, 2026 15:11	M-Rochat	CPPg++14.2.0	Error
May 20, 2026 15:07	M-Rochat	CPPg++14.2.0	Success	5,574
May 20, 2026 15:06	M-Rochat	CPPg++14.2.0	Error
May 20, 2026 15:04	M-Rochat	CPPg++14.2.0	Success	6,153
May 20, 2026 15:01	M-Rochat	CPPg++14.2.0	Success	6,168
May 20, 2026 15:00	M-Rochat	CPPg++14.2.0	Success	5,388
May 20, 2026 14:59	M-Rochat	CPPg++14.2.0	Error
May 19, 2026 14:28	M-Rochat	CSHARP9.0.15	Success	10,292
May 18, 2026 17:58	M-Rochat	CPPg++14.2.0	Success	4,848
May 18, 2026 04:20	M-Rochat	CPPg++14.2.0	Success	4,805
May 18, 2026 04:20	M-Rochat	CPPg++14.2.0	Success	5,270
May 18, 2026 04:17	M-Rochat	CPPg++14.2.0	Success	5,328
May 18, 2026 04:12	M-Rochat	CPPg++14.2.0	Success	4,801
May 18, 2026 04:12	M-Rochat	CPPg++14.2.0	Success	4,830
May 18, 2026 04:12	M-Rochat	CPPg++14.2.0	Success	4,801+268.68 RP
May 18, 2026 04:09	M-Rochat	CPPg++14.2.0	Error
May 18, 2026 04:09	M-Rochat	CPPg++14.2.0	Error
May 18, 2026 04:09	M-Rochat	CPPclang++18.1.3	Error
May 17, 2026 13:00	M-Rochat	CPPclang++18.1.3	Success	7,807
May 17, 2026 12:54	M-Rochat	CPPg++14.2.0	Success	5,512+0.99 RP
May 17, 2026 12:48	M-Rochat	CPPg++13.3.0	Success	5,582
May 17, 2026 12:47	M-Rochat	CPPg++13.3.0	Success	5,515+69.56 RP
May 17, 2026 12:45	M-Rochat	CPPg++13.3.0	Success	18,250
May 17, 2026 12:43	M-Rochat	CPPg++13.3.0	Success	18,080
May 17, 2026 04:14	M-Rochat	CPPg++13.3.0	Success	6,906
May 17, 2026 04:14	M-Rochat	CPPg++13.3.0	Success	7,654
May 17, 2026 04:14	M-Rochat	CPPg++13.3.0	Success	6,205
May 17, 2026 02:59	M-Rochat	CPPg++13.3.0	Success	5,761
May 16, 2026 23:59	M-Rochat	CPPclang++20.1.2	Success	6,951
May 16, 2026 23:59	M-Rochat	CPPg++14.2.0	Success	6,501
May 16, 2026 23:59	M-Rochat	CPPg++13.3.0	Success	6,501
May 16, 2026 22:54	M-Rochat	CPPg++13.3.0	Success	5,749
May 16, 2026 22:38	M-Rochat	CPPg++13.3.0	Success	5,736
May 16, 2026 18:23	M-Rochat	CPPg++14.2.0	Success	5,740
May 16, 2026 18:23	M-Rochat	CPPg++13.3.0	Success	5,735+217.89 RP
May 16, 2026 18:23	M-Rochat	CPPclang++18.1.3	Success	6,196
May 16, 2026 07:23	M-Rochat	CPPg++13.3.0	Success	6,554+132.45 RP
May 15, 2026 19:25	M-Rochat	CPPg++13.3.0	Success	7,177+1'393.34 RP
May 14, 2026 17:08	Josu San Martin	CSHARP9.0.13	Success	10,901
May 14, 2026 16:45	Josu San Martin	CSHARP9.0.13	Error
May 14, 2026 16:43	Josu San Martin	ZIG0.15.1	Success	6,977
May 14, 2026 16:28	Josu San Martin	ZIG0.15.1	Error
May 13, 2026 15:49	Aleksei Shahoika	CPPclang++18.1.3	Success	3,971
May 13, 2026 09:38	Aleksei Shahoika	CPPclang++18.1.3	Success	3,831
May 12, 2026 23:40	Aleksei Shahoika	CPPclang++18.1.3	Success	5,656
May 12, 2026 23:17	Aleksei Shahoika	CPPclang++18.1.3	Success	5,551
May 12, 2026 22:36	Aleksei Shahoika	CPPclang++18.1.3	Success	4,165
May 12, 2026 22:32	Aleksei Shahoika	CPPclang++18.1.3	Success	3,788
May 12, 2026 22:25	Aleksei Shahoika	CPPclang++18.1.3	Success	3,786+178.26 RP
May 12, 2026 22:17	Aleksei Shahoika	CPPclang++18.1.3	Success	4,060+65.55 RP
May 12, 2026 21:49	Aleksei Shahoika	CPPclang++18.1.3	Success	4,464
May 12, 2026 21:37	Aleksei Shahoika	CPPclang++18.1.3	Success	4,461
May 12, 2026 21:20	Aleksei Shahoika	CPPclang++18.1.3	Success	4,188
May 12, 2026 21:12	Aleksei Shahoika	CPPclang++18.1.3	Success	4,394
May 12, 2026 20:06	Aleksei Shahoika	CPPclang++18.1.3	Success	4,171+50.64 RP
May 12, 2026 20:03	Aleksei Shahoika	CPPclang++18.1.3	Error
May 12, 2026 19:37	Aleksei Shahoika	CPPclang++18.1.3	Success	4,776
May 12, 2026 19:32	Aleksei Shahoika	CPPclang++18.1.3	Success	4,617
May 12, 2026 19:19	Aleksei Shahoika	CPPclang++18.1.3	Success	4,440
May 12, 2026 19:14	Aleksei Shahoika	CPPclang++18.1.3	Success	4,499
May 12, 2026 18:53	Aleksei Shahoika	CPPclang++18.1.3	Success	4,555
May 12, 2026 09:42	Aleksei Shahoika	CPPclang++18.1.3	Success	4,551
May 12, 2026 09:33	Aleksei Shahoika	CPPclang++18.1.3	Success	4,698
May 12, 2026 09:22	Aleksei Shahoika	CPPclang++18.1.3	Success	6,348
May 12, 2026 09:13	Aleksei Shahoika	CPPclang++18.1.3	Success	4,261+121.18 RP
May 12, 2026 00:30	Aleksei Shahoika	CPPclang++18.1.3	Success	4,996
May 12, 2026 00:21	Aleksei Shahoika	CPPclang++18.1.3	Success	4,847
May 12, 2026 00:11	Aleksei Shahoika	CPPclang++18.1.3	Success	4,493+196.05 RP
May 12, 2026 00:01	Aleksei Shahoika	CPPclang++18.1.3	Success	5,438
May 11, 2026 23:53	Aleksei Shahoika	CPPclang++18.1.3	Success	5,729
May 11, 2026 23:50	Aleksei Shahoika	CPPclang++18.1.3	Success	5,743
May 7, 2026 06:40	Victor Mercklé	CPPg++14.2.0	Error
May 6, 2026 23:25	olliecrow	CPPclang++18.1.3	Success	2,888
May 5, 2026 07:41	olliecrow	ZIG0.14.0	Success	14,642
May 5, 2026 02:29	olliecrow	CPPclang++18.1.3	Success	2,967
May 5, 2026 02:25	olliecrow	RUSTrust-1.95.0	Success	3,115
May 5, 2026 00:50	olliecrow	RUSTrust-1.95.0	Success	2,801

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